19792818

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 25135182

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 79, 93, 158, 186, 237, 279, 449, 474, 558, 711, 898, 1347, 1422, 2449, 2694, 4041, 4898, 7347, 8082, 13919, 14694, 22041, 27838, 35471, 41757, 44082, 70942, 83514, 106413, 125271, 212826, 250542, 319239, 638478, 1099601, 2199202, 3298803, 6597606, 9896409, 19792818]

約数ペア:

[(1, 19792818), (2, 9896409), (3, 6597606), (6, 3298803), (9, 2199202), (18, 1099601), (31, 638478), (62, 319239), (79, 250542), (93, 212826), (158, 125271), (186, 106413), (237, 83514), (279, 70942), (449, 44082), (474, 41757), (558, 35471), (711, 27838), (898, 22041), (1347, 14694), (1422, 13919), (2449, 8082), (2694, 7347), (4041, 4898)]