18573260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 42198240

約数和(自身を除く): 23624980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1321, 1406, 2642, 2812, 3515, 5284, 6605, 7030, 13210, 14060, 25099, 26420, 48877, 50198, 97754, 100396, 125495, 195508, 244385, 250990, 488770, 501980, 928663, 977540, 1857326, 3714652, 4643315, 9286630, 18573260]

約数ペア:

[(1, 18573260), (2, 9286630), (4, 4643315), (5, 3714652), (10, 1857326), (19, 977540), (20, 928663), (37, 501980), (38, 488770), (74, 250990), (76, 244385), (95, 195508), (148, 125495), (185, 100396), (190, 97754), (370, 50198), (380, 48877), (703, 26420), (740, 25099), (1321, 14060), (1406, 13210), (2642, 7030), (2812, 6605), (3515, 5284)]