19855860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 38204940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 71, 79, 118, 142, 158, 177, 213, 236, 237, 284, 295, 316, 354, 355, 395, 426, 474, 590, 708, 710, 790, 852, 885, 948, 1065, 1180, 1185, 1420, 1580, 1770, 2130, 2370, 3540, 4189, 4260, 4661, 4740, 5609, 8378, 9322, 11218, 12567, 13983, 16756, 16827, 18644, 20945, 22436, 23305, 25134, 27966, 28045, 33654, 41890, 46610, 50268, 55932, 56090, 62835, 67308, 69915, 83780, 84135, 93220, 112180, 125670, 139830, 168270, 251340, 279660, 330931, 336540, 661862, 992793, 1323724, 1654655, 1985586, 3309310, 3971172, 4963965, 6618620, 9927930, 19855860]

約数ペア:

[(1, 19855860), (2, 9927930), (3, 6618620), (4, 4963965), (5, 3971172), (6, 3309310), (10, 1985586), (12, 1654655), (15, 1323724), (20, 992793), (30, 661862), (59, 336540), (60, 330931), (71, 279660), (79, 251340), (118, 168270), (142, 139830), (158, 125670), (177, 112180), (213, 93220), (236, 84135), (237, 83780), (284, 69915), (295, 67308), (316, 62835), (354, 56090), (355, 55932), (395, 50268), (426, 46610), (474, 41890), (590, 33654), (708, 28045), (710, 27966), (790, 25134), (852, 23305), (885, 22436), (948, 20945), (1065, 18644), (1180, 16827), (1185, 16756), (1420, 13983), (1580, 12567), (1770, 11218), (2130, 9322), (2370, 8378), (3540, 5609), (4189, 4740), (4260, 4661)]