19811670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4751}}^1$

素因数の和:4900

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 28088490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4751, 9502, 14253, 23755, 28506, 47510, 71265, 142530, 660389, 1320778, 1981167, 3301945, 3962334, 6603890, 9905835, 19811670]

約数ペア:

[(1, 19811670), (2, 9905835), (3, 6603890), (5, 3962334), (6, 3301945), (10, 1981167), (15, 1320778), (30, 660389), (139, 142530), (278, 71265), (417, 47510), (695, 28506), (834, 23755), (1390, 14253), (2085, 9502), (4170, 4751)]