18581906

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 14388334

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 317, 371, 553, 634, 742, 1106, 2219, 4187, 4438, 8374, 16801, 25043, 29309, 33602, 50086, 58618, 117607, 175301, 235214, 350602, 1327279, 2654558, 9290953, 18581906]

約数ペア:

[(1, 18581906), (2, 9290953), (7, 2654558), (14, 1327279), (53, 350602), (79, 235214), (106, 175301), (158, 117607), (317, 58618), (371, 50086), (553, 33602), (634, 29309), (742, 25043), (1106, 16801), (2219, 8374), (4187, 4438)]