18841290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48311}}^1$

素因数の和:48334

約数の個数: 32

約数和(自身を含む): 48698496

約数和(自身を除く): 29857206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48311, 96622, 144933, 241555, 289866, 483110, 628043, 724665, 1256086, 1449330, 1884129, 3140215, 3768258, 6280430, 9420645, 18841290]

約数ペア:

[(1, 18841290), (2, 9420645), (3, 6280430), (5, 3768258), (6, 3140215), (10, 1884129), (13, 1449330), (15, 1256086), (26, 724665), (30, 628043), (39, 483110), (65, 289866), (78, 241555), (130, 144933), (195, 96622), (390, 48311)]