18518110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 36140832

約数和(自身を除く): 17622722

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 787, 905, 1574, 1810, 2353, 3935, 4706, 7870, 10231, 11765, 20462, 23530, 51155, 102310, 142447, 284894, 712235, 1424470, 1851811, 3703622, 9259055, 18518110]

約数ペア:

[(1, 18518110), (2, 9259055), (5, 3703622), (10, 1851811), (13, 1424470), (26, 712235), (65, 284894), (130, 142447), (181, 102310), (362, 51155), (787, 23530), (905, 20462), (1574, 11765), (1810, 10231), (2353, 7870), (3935, 4706)]