19042790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 38292912

約数和(自身を除く): 19250122

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 107, 130, 185, 214, 370, 481, 535, 962, 1070, 1369, 1391, 2405, 2738, 2782, 3959, 4810, 6845, 6955, 7918, 13690, 13910, 17797, 19795, 35594, 39590, 51467, 88985, 102934, 146483, 177970, 257335, 292966, 514670, 732415, 1464830, 1904279, 3808558, 9521395, 19042790]

約数ペア:

[(1, 19042790), (2, 9521395), (5, 3808558), (10, 1904279), (13, 1464830), (26, 732415), (37, 514670), (65, 292966), (74, 257335), (107, 177970), (130, 146483), (185, 102934), (214, 88985), (370, 51467), (481, 39590), (535, 35594), (962, 19795), (1070, 17797), (1369, 13910), (1391, 13690), (2405, 7918), (2738, 6955), (2782, 6845), (3959, 4810)]