19438311490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4041229}}^1$

素因数の和:4041286

約数の個数: 32

約数和(自身を含む): 38698818480

約数和(自身を除く): 19260506990

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 4041229, 8082458, 20206145, 40412290, 52535977, 105071954, 149525473, 262679885, 299050946, 525359770, 747627365, 1495254730, 1943831149, 3887662298, 9719155745, 19438311490]

約数ペア:

[(1, 19438311490), (2, 9719155745), (5, 3887662298), (10, 1943831149), (13, 1495254730), (26, 747627365), (37, 525359770), (65, 299050946), (74, 262679885), (130, 149525473), (185, 105071954), (370, 52535977), (481, 40412290), (962, 20206145), (2405, 8082458), (4810, 4041229)]