19413160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 48358800

約数和(自身を除く): 28945640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1009, 1480, 1924, 2018, 2405, 3848, 4036, 4810, 5045, 8072, 9620, 10090, 13117, 19240, 20180, 26234, 37333, 40360, 52468, 65585, 74666, 104936, 131170, 149332, 186665, 262340, 298664, 373330, 485329, 524680, 746660, 970658, 1493320, 1941316, 2426645, 3882632, 4853290, 9706580, 19413160]

約数ペア:

[(1, 19413160), (2, 9706580), (4, 4853290), (5, 3882632), (8, 2426645), (10, 1941316), (13, 1493320), (20, 970658), (26, 746660), (37, 524680), (40, 485329), (52, 373330), (65, 298664), (74, 262340), (104, 186665), (130, 149332), (148, 131170), (185, 104936), (260, 74666), (296, 65585), (370, 52468), (481, 40360), (520, 37333), (740, 26234), (962, 20180), (1009, 19240), (1480, 13117), (1924, 10090), (2018, 9620), (2405, 8072), (3848, 5045), (4036, 4810)]