19858230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 65664000

約数和(自身を除く): 45805770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 79, 90, 95, 98, 105, 114, 126, 133, 135, 147, 158, 171, 189, 190, 210, 237, 245, 266, 270, 285, 294, 315, 342, 378, 395, 399, 441, 474, 490, 513, 553, 570, 630, 665, 711, 735, 790, 798, 855, 882, 931, 945, 1026, 1106, 1185, 1197, 1323, 1330, 1422, 1470, 1501, 1659, 1710, 1862, 1890, 1995, 2133, 2205, 2370, 2394, 2565, 2646, 2765, 2793, 3002, 3318, 3555, 3591, 3871, 3990, 4266, 4410, 4503, 4655, 4977, 5130, 5530, 5586, 5985, 6615, 7110, 7182, 7505, 7742, 8295, 8379, 9006, 9310, 9954, 10507, 10665, 11613, 11970, 13230, 13509, 13965, 14931, 15010, 16590, 16758, 17955, 19355, 21014, 21330, 22515, 23226, 24885, 25137, 27018, 27930, 29862, 31521, 34839, 35910, 38710, 40527, 41895, 45030, 49770, 50274, 52535, 58065, 63042, 67545, 69678, 73549, 74655, 81054, 83790, 94563, 104517, 105070, 116130, 125685, 135090, 147098, 149310, 157605, 174195, 189126, 202635, 209034, 220647, 251370, 283689, 315210, 348390, 367745, 405270, 441294, 472815, 522585, 567378, 661941, 735490, 945630, 1045170, 1103235, 1323882, 1418445, 1985823, 2206470, 2836890, 3309705, 3971646, 6619410, 9929115, 19858230]

約数ペア:

[(1, 19858230), (2, 9929115), (3, 6619410), (5, 3971646), (6, 3309705), (7, 2836890), (9, 2206470), (10, 1985823), (14, 1418445), (15, 1323882), (18, 1103235), (19, 1045170), (21, 945630), (27, 735490), (30, 661941), (35, 567378), (38, 522585), (42, 472815), (45, 441294), (49, 405270), (54, 367745), (57, 348390), (63, 315210), (70, 283689), (79, 251370), (90, 220647), (95, 209034), (98, 202635), (105, 189126), (114, 174195), (126, 157605), (133, 149310), (135, 147098), (147, 135090), (158, 125685), (171, 116130), (189, 105070), (190, 104517), (210, 94563), (237, 83790), (245, 81054), (266, 74655), (270, 73549), (285, 69678), (294, 67545), (315, 63042), (342, 58065), (378, 52535), (395, 50274), (399, 49770), (441, 45030), (474, 41895), (490, 40527), (513, 38710), (553, 35910), (570, 34839), (630, 31521), (665, 29862), (711, 27930), (735, 27018), (790, 25137), (798, 24885), (855, 23226), (882, 22515), (931, 21330), (945, 21014), (1026, 19355), (1106, 17955), (1185, 16758), (1197, 16590), (1323, 15010), (1330, 14931), (1422, 13965), (1470, 13509), (1501, 13230), (1659, 11970), (1710, 11613), (1862, 10665), (1890, 10507), (1995, 9954), (2133, 9310), (2205, 9006), (2370, 8379), (2394, 8295), (2565, 7742), (2646, 7505), (2765, 7182), (2793, 7110), (3002, 6615), (3318, 5985), (3555, 5586), (3591, 5530), (3871, 5130), (3990, 4977), (4266, 4655), (4410, 4503)]