18841380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1303}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 53015424

約数和(自身を除く): 34174044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1303, 1446, 2410, 2606, 2892, 3615, 3909, 4820, 5212, 6515, 7230, 7818, 13030, 14460, 15636, 19545, 26060, 39090, 78180, 314023, 628046, 942069, 1256092, 1570115, 1884138, 3140230, 3768276, 4710345, 6280460, 9420690, 18841380]

約数ペア:

[(1, 18841380), (2, 9420690), (3, 6280460), (4, 4710345), (5, 3768276), (6, 3140230), (10, 1884138), (12, 1570115), (15, 1256092), (20, 942069), (30, 628046), (60, 314023), (241, 78180), (482, 39090), (723, 26060), (964, 19545), (1205, 15636), (1303, 14460), (1446, 13030), (2410, 7818), (2606, 7230), (2892, 6515), (3615, 5212), (3909, 4820)]