19152680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12941}}^1$

素因数の和:12989

約数の個数: 32

約数和(自身を含む): 44261640

約数和(自身を除く): 25108960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12941, 25882, 51764, 64705, 103528, 129410, 258820, 478817, 517640, 957634, 1915268, 2394085, 3830536, 4788170, 9576340, 19152680]

約数ペア:

[(1, 19152680), (2, 9576340), (4, 4788170), (5, 3830536), (8, 2394085), (10, 1915268), (20, 957634), (37, 517640), (40, 478817), (74, 258820), (148, 129410), (185, 103528), (296, 64705), (370, 51764), (740, 25882), (1480, 12941)]