19776198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3660

約数の個数: 32

約数和(自身を含む): 43206912

約数和(自身を除く): 23430714

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3571, 5538, 7142, 10713, 21426, 46423, 92846, 139269, 253541, 278538, 507082, 760623, 1521246, 3296033, 6592066, 9888099, 19776198]

約数ペア:

[(1, 19776198), (2, 9888099), (3, 6592066), (6, 3296033), (13, 1521246), (26, 760623), (39, 507082), (71, 278538), (78, 253541), (142, 139269), (213, 92846), (426, 46423), (923, 21426), (1846, 10713), (2769, 7142), (3571, 5538)]