19831578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3670

約数の個数: 32

約数和(自身を含む): 43327872

約数和(自身を除く): 23496294

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3581, 5538, 7162, 10743, 21486, 46553, 93106, 139659, 254251, 279318, 508502, 762753, 1525506, 3305263, 6610526, 9915789, 19831578]

約数ペア:

[(1, 19831578), (2, 9915789), (3, 6610526), (6, 3305263), (13, 1525506), (26, 762753), (39, 508502), (71, 279318), (78, 254251), (142, 139659), (213, 93106), (426, 46553), (923, 21486), (1846, 10743), (2769, 7162), (3581, 5538)]