19279660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15803}}^1$

素因数の和:15873

約数の個数: 24

約数和(自身を含む): 41153616

約数和(自身を除く): 21873956

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15803, 31606, 63212, 79015, 158030, 316060, 963983, 1927966, 3855932, 4819915, 9639830, 19279660]

約数ペア:

[(1, 19279660), (2, 9639830), (4, 4819915), (5, 3855932), (10, 1927966), (20, 963983), (61, 316060), (122, 158030), (244, 79015), (305, 63212), (610, 31606), (1220, 15803)]