18853485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 35557056

約数和(自身を除く): 16703571

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 147, 227, 245, 339, 565, 681, 735, 791, 1135, 1589, 1695, 2373, 3405, 3955, 4767, 5537, 7945, 11123, 11865, 16611, 23835, 25651, 27685, 33369, 55615, 76953, 83055, 128255, 166845, 179557, 384765, 538671, 897785, 1256899, 2693355, 3770697, 6284495, 18853485]

約数ペア:

[(1, 18853485), (3, 6284495), (5, 3770697), (7, 2693355), (15, 1256899), (21, 897785), (35, 538671), (49, 384765), (105, 179557), (113, 166845), (147, 128255), (227, 83055), (245, 76953), (339, 55615), (565, 33369), (681, 27685), (735, 25651), (791, 23835), (1135, 16611), (1589, 11865), (1695, 11123), (2373, 7945), (3405, 5537), (3955, 4767)]