19765620

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{83}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 73198944

約数和(自身を除く): 53433324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 83, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 166, 180, 189, 196, 210, 243, 245, 249, 252, 270, 294, 315, 324, 332, 378, 405, 415, 420, 441, 486, 490, 498, 540, 567, 581, 588, 630, 735, 747, 756, 810, 830, 882, 945, 972, 980, 996, 1134, 1162, 1215, 1245, 1260, 1323, 1470, 1494, 1620, 1660, 1701, 1743, 1764, 1890, 2205, 2241, 2268, 2324, 2430, 2490, 2646, 2835, 2905, 2940, 2988, 3402, 3486, 3735, 3780, 3969, 4067, 4410, 4482, 4860, 4980, 5229, 5292, 5670, 5810, 6615, 6723, 6804, 6972, 7470, 7938, 8134, 8505, 8715, 8820, 8964, 10458, 11205, 11340, 11620, 11907, 12201, 13230, 13446, 14940, 15687, 15876, 16268, 17010, 17430, 19845, 20169, 20335, 20916, 22410, 23814, 24402, 26145, 26460, 26892, 31374, 33615, 34020, 34860, 36603, 39690, 40338, 40670, 44820, 47061, 47628, 48804, 52290, 59535, 61005, 62748, 67230, 73206, 78435, 79380, 80676, 81340, 94122, 100845, 104580, 109809, 119070, 122010, 134460, 141183, 146412, 156870, 183015, 188244, 201690, 219618, 235305, 238140, 244020, 282366, 313740, 329427, 366030, 403380, 439236, 470610, 549045, 564732, 658854, 705915, 732060, 941220, 988281, 1098090, 1317708, 1411830, 1647135, 1976562, 2196180, 2823660, 3294270, 3953124, 4941405, 6588540, 9882810, 19765620]

約数ペア:

[(1, 19765620), (2, 9882810), (3, 6588540), (4, 4941405), (5, 3953124), (6, 3294270), (7, 2823660), (9, 2196180), (10, 1976562), (12, 1647135), (14, 1411830), (15, 1317708), (18, 1098090), (20, 988281), (21, 941220), (27, 732060), (28, 705915), (30, 658854), (35, 564732), (36, 549045), (42, 470610), (45, 439236), (49, 403380), (54, 366030), (60, 329427), (63, 313740), (70, 282366), (81, 244020), (83, 238140), (84, 235305), (90, 219618), (98, 201690), (105, 188244), (108, 183015), (126, 156870), (135, 146412), (140, 141183), (147, 134460), (162, 122010), (166, 119070), (180, 109809), (189, 104580), (196, 100845), (210, 94122), (243, 81340), (245, 80676), (249, 79380), (252, 78435), (270, 73206), (294, 67230), (315, 62748), (324, 61005), (332, 59535), (378, 52290), (405, 48804), (415, 47628), (420, 47061), (441, 44820), (486, 40670), (490, 40338), (498, 39690), (540, 36603), (567, 34860), (581, 34020), (588, 33615), (630, 31374), (735, 26892), (747, 26460), (756, 26145), (810, 24402), (830, 23814), (882, 22410), (945, 20916), (972, 20335), (980, 20169), (996, 19845), (1134, 17430), (1162, 17010), (1215, 16268), (1245, 15876), (1260, 15687), (1323, 14940), (1470, 13446), (1494, 13230), (1620, 12201), (1660, 11907), (1701, 11620), (1743, 11340), (1764, 11205), (1890, 10458), (2205, 8964), (2241, 8820), (2268, 8715), (2324, 8505), (2430, 8134), (2490, 7938), (2646, 7470), (2835, 6972), (2905, 6804), (2940, 6723), (2988, 6615), (3402, 5810), (3486, 5670), (3735, 5292), (3780, 5229), (3969, 4980), (4067, 4860), (4410, 4482)]