19720962

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2111}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 24377598

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2111, 3114, 4222, 4671, 6333, 9342, 12666, 18999, 37998, 56997, 113994, 365203, 730406, 1095609, 2191218, 3286827, 6573654, 9860481, 19720962]

約数ペア:

[(1, 19720962), (2, 9860481), (3, 6573654), (6, 3286827), (9, 2191218), (18, 1095609), (27, 730406), (54, 365203), (173, 113994), (346, 56997), (519, 37998), (1038, 18999), (1557, 12666), (2111, 9342), (3114, 6333), (4222, 4671)]