18567380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71413}}^1$

素因数の和:71435

約数の個数: 24

約数和(自身を含む): 41991432

約数和(自身を除く): 23424052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71413, 142826, 285652, 357065, 714130, 928369, 1428260, 1856738, 3713476, 4641845, 9283690, 18567380]

約数ペア:

[(1, 18567380), (2, 9283690), (4, 4641845), (5, 3713476), (10, 1856738), (13, 1428260), (20, 928369), (26, 714130), (52, 357065), (65, 285652), (130, 142826), (260, 71413)]