18813060

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 69713280

約数和(自身を除く): 50900220

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, 79, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 158, 162, 180, 189, 196, 210, 237, 243, 245, 252, 270, 294, 315, 316, 324, 378, 395, 405, 420, 441, 474, 486, 490, 540, 553, 567, 588, 630, 711, 735, 756, 790, 810, 882, 945, 948, 972, 980, 1106, 1134, 1185, 1215, 1260, 1323, 1422, 1470, 1580, 1620, 1659, 1701, 1764, 1890, 2133, 2205, 2212, 2268, 2370, 2430, 2646, 2765, 2835, 2844, 2940, 3318, 3402, 3555, 3780, 3871, 3969, 4266, 4410, 4740, 4860, 4977, 5292, 5530, 5670, 6399, 6615, 6636, 6804, 7110, 7742, 7938, 8295, 8505, 8532, 8820, 9954, 10665, 11060, 11340, 11613, 11907, 12798, 13230, 14220, 14931, 15484, 15876, 16590, 17010, 19197, 19355, 19845, 19908, 21330, 23226, 23814, 24885, 25596, 26460, 29862, 31995, 33180, 34020, 34839, 38394, 38710, 39690, 42660, 44793, 46452, 47628, 49770, 58065, 59535, 59724, 63990, 69678, 74655, 76788, 77420, 79380, 89586, 95985, 99540, 104517, 116130, 119070, 127980, 134379, 139356, 149310, 174195, 179172, 191970, 209034, 223965, 232260, 238140, 268758, 298620, 313551, 348390, 383940, 418068, 447930, 522585, 537516, 627102, 671895, 696780, 895860, 940653, 1045170, 1254204, 1343790, 1567755, 1881306, 2090340, 2687580, 3135510, 3762612, 4703265, 6271020, 9406530, 18813060]

約数ペア:

[(1, 18813060), (2, 9406530), (3, 6271020), (4, 4703265), (5, 3762612), (6, 3135510), (7, 2687580), (9, 2090340), (10, 1881306), (12, 1567755), (14, 1343790), (15, 1254204), (18, 1045170), (20, 940653), (21, 895860), (27, 696780), (28, 671895), (30, 627102), (35, 537516), (36, 522585), (42, 447930), (45, 418068), (49, 383940), (54, 348390), (60, 313551), (63, 298620), (70, 268758), (79, 238140), (81, 232260), (84, 223965), (90, 209034), (98, 191970), (105, 179172), (108, 174195), (126, 149310), (135, 139356), (140, 134379), (147, 127980), (158, 119070), (162, 116130), (180, 104517), (189, 99540), (196, 95985), (210, 89586), (237, 79380), (243, 77420), (245, 76788), (252, 74655), (270, 69678), (294, 63990), (315, 59724), (316, 59535), (324, 58065), (378, 49770), (395, 47628), (405, 46452), (420, 44793), (441, 42660), (474, 39690), (486, 38710), (490, 38394), (540, 34839), (553, 34020), (567, 33180), (588, 31995), (630, 29862), (711, 26460), (735, 25596), (756, 24885), (790, 23814), (810, 23226), (882, 21330), (945, 19908), (948, 19845), (972, 19355), (980, 19197), (1106, 17010), (1134, 16590), (1185, 15876), (1215, 15484), (1260, 14931), (1323, 14220), (1422, 13230), (1470, 12798), (1580, 11907), (1620, 11613), (1659, 11340), (1701, 11060), (1764, 10665), (1890, 9954), (2133, 8820), (2205, 8532), (2212, 8505), (2268, 8295), (2370, 7938), (2430, 7742), (2646, 7110), (2765, 6804), (2835, 6636), (2844, 6615), (2940, 6399), (3318, 5670), (3402, 5530), (3555, 5292), (3780, 4977), (3871, 4860), (3969, 4740), (4266, 4410)]