16629940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 20565260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 409, 428, 535, 818, 1070, 1636, 2033, 2045, 2140, 4066, 4090, 7771, 8132, 8180, 10165, 15542, 20330, 31084, 38855, 40660, 43763, 77710, 87526, 155420, 175052, 218815, 437630, 831497, 875260, 1662994, 3325988, 4157485, 8314970, 16629940]

約数ペア:

[(1, 16629940), (2, 8314970), (4, 4157485), (5, 3325988), (10, 1662994), (19, 875260), (20, 831497), (38, 437630), (76, 218815), (95, 175052), (107, 155420), (190, 87526), (214, 77710), (380, 43763), (409, 40660), (428, 38855), (535, 31084), (818, 20330), (1070, 15542), (1636, 10165), (2033, 8180), (2045, 8132), (2140, 7771), (4066, 4090)]