19804746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253907}}^1$

素因数の和:253925

約数の個数: 16

約数和(自身を含む): 42656544

約数和(自身を除く): 22851798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253907, 507814, 761721, 1523442, 3300791, 6601582, 9902373, 19804746]

約数ペア:

[(1, 19804746), (2, 9902373), (3, 6601582), (6, 3300791), (13, 1523442), (26, 761721), (39, 507814), (78, 253907)]