19071280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 48345120

約数和(自身を除く): 29273840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 379, 592, 629, 680, 740, 758, 1258, 1360, 1480, 1516, 1895, 2516, 2960, 3032, 3145, 3790, 5032, 6064, 6290, 6443, 7580, 10064, 12580, 12886, 14023, 15160, 25160, 25772, 28046, 30320, 32215, 50320, 51544, 56092, 64430, 70115, 103088, 112184, 128860, 140230, 224368, 238391, 257720, 280460, 476782, 515440, 560920, 953564, 1121840, 1191955, 1907128, 2383910, 3814256, 4767820, 9535640, 19071280]

約数ペア:

[(1, 19071280), (2, 9535640), (4, 4767820), (5, 3814256), (8, 2383910), (10, 1907128), (16, 1191955), (17, 1121840), (20, 953564), (34, 560920), (37, 515440), (40, 476782), (68, 280460), (74, 257720), (80, 238391), (85, 224368), (136, 140230), (148, 128860), (170, 112184), (185, 103088), (272, 70115), (296, 64430), (340, 56092), (370, 51544), (379, 50320), (592, 32215), (629, 30320), (680, 28046), (740, 25772), (758, 25160), (1258, 15160), (1360, 14023), (1480, 12886), (1516, 12580), (1895, 10064), (2516, 7580), (2960, 6443), (3032, 6290), (3145, 6064), (3790, 5032)]