18679660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49157}}^1$

素因数の和:49185

約数の個数: 24

約数和(自身を含む): 41292720

約数和(自身を除く): 22613060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49157, 98314, 196628, 245785, 491570, 933983, 983140, 1867966, 3735932, 4669915, 9339830, 18679660]

約数ペア:

[(1, 18679660), (2, 9339830), (4, 4669915), (5, 3735932), (10, 1867966), (19, 983140), (20, 933983), (38, 491570), (76, 245785), (95, 196628), (190, 98314), (380, 49157)]