18975180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45179}}^1$

素因数の和:45198

約数の個数: 48

約数和(自身を含む): 60721920

約数和(自身を除く): 41746740

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, 45179, 90358, 135537, 180716, 225895, 271074, 316253, 451790, 542148, 632506, 677685, 903580, 948759, 1265012, 1355370, 1581265, 1897518, 2710740, 3162530, 3795036, 4743795, 6325060, 9487590, 18975180]

約数ペア:

[(1, 18975180), (2, 9487590), (3, 6325060), (4, 4743795), (5, 3795036), (6, 3162530), (7, 2710740), (10, 1897518), (12, 1581265), (14, 1355370), (15, 1265012), (20, 948759), (21, 903580), (28, 677685), (30, 632506), (35, 542148), (42, 451790), (60, 316253), (70, 271074), (84, 225895), (105, 180716), (140, 135537), (210, 90358), (420, 45179)]