19958454

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2659}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 44688000

約数和(自身を除く): 24729546

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2659, 3753, 5318, 7506, 7977, 15954, 23931, 47862, 71793, 143586, 369601, 739202, 1108803, 2217606, 3326409, 6652818, 9979227, 19958454]

約数ペア:

[(1, 19958454), (2, 9979227), (3, 6652818), (6, 3326409), (9, 2217606), (18, 1108803), (27, 739202), (54, 369601), (139, 143586), (278, 71793), (417, 47862), (834, 23931), (1251, 15954), (2502, 7977), (2659, 7506), (3753, 5318)]