19664970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50423}}^1$

素因数の和:50446

約数の個数: 32

約数和(自身を含む): 50827392

約数和(自身を除く): 31162422

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50423, 100846, 151269, 252115, 302538, 504230, 655499, 756345, 1310998, 1512690, 1966497, 3277495, 3932994, 6554990, 9832485, 19664970]

約数ペア:

[(1, 19664970), (2, 9832485), (3, 6554990), (5, 3932994), (6, 3277495), (10, 1966497), (13, 1512690), (15, 1310998), (26, 756345), (30, 655499), (39, 504230), (65, 302538), (78, 252115), (130, 151269), (195, 100846), (390, 50423)]