18215770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 35406720

約数和(自身を除く): 17190950

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 2731, 3335, 5462, 6670, 13655, 27310, 62813, 79199, 125626, 158398, 314065, 395995, 628130, 791990, 1821577, 3643154, 9107885, 18215770]

約数ペア:

[(1, 18215770), (2, 9107885), (5, 3643154), (10, 1821577), (23, 791990), (29, 628130), (46, 395995), (58, 314065), (115, 158398), (145, 125626), (230, 79199), (290, 62813), (667, 27310), (1334, 13655), (2731, 6670), (3335, 5462)]