18354388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8609}}^1$

素因数の和:8667

約数の個数: 24

約数和(自身を含む): 35438760

約数和(自身を除く): 17084372

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 8609, 17218, 34436, 111917, 223834, 352969, 447668, 705938, 1411876, 4588597, 9177194, 18354388]

約数ペア:

[(1, 18354388), (2, 9177194), (4, 4588597), (13, 1411876), (26, 705938), (41, 447668), (52, 352969), (82, 223834), (164, 111917), (533, 34436), (1066, 17218), (2132, 8609)]