18728580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1847}}^1$

素因数の和:1885

約数の個数: 72

約数和(自身を含む): 56814912

約数和(自身を除く): 38086332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1847, 2028, 2535, 3380, 3694, 5070, 5541, 7388, 9235, 10140, 11082, 18470, 22164, 24011, 27705, 36940, 48022, 55410, 72033, 96044, 110820, 120055, 144066, 240110, 288132, 312143, 360165, 480220, 624286, 720330, 936429, 1248572, 1440660, 1560715, 1872858, 3121430, 3745716, 4682145, 6242860, 9364290, 18728580]

約数ペア:

[(1, 18728580), (2, 9364290), (3, 6242860), (4, 4682145), (5, 3745716), (6, 3121430), (10, 1872858), (12, 1560715), (13, 1440660), (15, 1248572), (20, 936429), (26, 720330), (30, 624286), (39, 480220), (52, 360165), (60, 312143), (65, 288132), (78, 240110), (130, 144066), (156, 120055), (169, 110820), (195, 96044), (260, 72033), (338, 55410), (390, 48022), (507, 36940), (676, 27705), (780, 24011), (845, 22164), (1014, 18470), (1690, 11082), (1847, 10140), (2028, 9235), (2535, 7388), (3380, 5541), (3694, 5070)]