18967620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45161}}^1$

素因数の和:45180

約数の個数: 48

約数和(自身を含む): 60697728

約数和(自身を除く): 41730108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45161, 90322, 135483, 180644, 225805, 270966, 316127, 451610, 541932, 632254, 677415, 903220, 948381, 1264508, 1354830, 1580635, 1896762, 2709660, 3161270, 3793524, 4741905, 6322540, 9483810, 18967620]

約数ペア:

[(1, 18967620), (2, 9483810), (3, 6322540), (4, 4741905), (5, 3793524), (6, 3161270), (7, 2709660), (10, 1896762), (12, 1580635), (14, 1354830), (15, 1264508), (20, 948381), (21, 903220), (28, 677415), (30, 632254), (35, 541932), (42, 451610), (60, 316127), (70, 270966), (84, 225805), (105, 180644), (140, 135483), (210, 90322), (420, 45161)]