16396810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 31291200

約数和(自身を除く): 14894390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 409, 422, 818, 1055, 2045, 2110, 4009, 4090, 7771, 8018, 15542, 20045, 38855, 40090, 77710, 86299, 172598, 431495, 862990, 1639681, 3279362, 8198405, 16396810]

約数ペア:

[(1, 16396810), (2, 8198405), (5, 3279362), (10, 1639681), (19, 862990), (38, 431495), (95, 172598), (190, 86299), (211, 77710), (409, 40090), (422, 38855), (818, 20045), (1055, 15542), (2045, 8018), (2110, 7771), (4009, 4090)]