18630630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1511}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 48825504

約数和(自身を除く): 30194874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1511, 2055, 2466, 3022, 4110, 4533, 6165, 7555, 9066, 12330, 13599, 15110, 22665, 27198, 45330, 67995, 135990, 207007, 414014, 621021, 1035035, 1242042, 1863063, 2070070, 3105105, 3726126, 6210210, 9315315, 18630630]

約数ペア:

[(1, 18630630), (2, 9315315), (3, 6210210), (5, 3726126), (6, 3105105), (9, 2070070), (10, 1863063), (15, 1242042), (18, 1035035), (30, 621021), (45, 414014), (90, 207007), (137, 135990), (274, 67995), (411, 45330), (685, 27198), (822, 22665), (1233, 15110), (1370, 13599), (1511, 12330), (2055, 9066), (2466, 7555), (3022, 6165), (4110, 4533)]