19842736

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5189}}^1$

素因数の和:5436

約数の個数: 20

約数和(自身を含む): 38613600

約数和(自身を除く): 18770864

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5189, 10378, 20756, 41512, 83024, 1240171, 2480342, 4960684, 9921368, 19842736]

約数ペア:

[(1, 19842736), (2, 9921368), (4, 4960684), (8, 2480342), (16, 1240171), (239, 83024), (478, 41512), (956, 20756), (1912, 10378), (3824, 5189)]