18641970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2011}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 48964032

約数和(自身を除く): 30322062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2011, 3090, 4022, 4635, 6033, 9270, 10055, 12066, 18099, 20110, 30165, 36198, 60330, 90495, 180990, 207133, 414266, 621399, 1035665, 1242798, 1864197, 2071330, 3106995, 3728394, 6213990, 9320985, 18641970]

約数ペア:

[(1, 18641970), (2, 9320985), (3, 6213990), (5, 3728394), (6, 3106995), (9, 2071330), (10, 1864197), (15, 1242798), (18, 1035665), (30, 621399), (45, 414266), (90, 207133), (103, 180990), (206, 90495), (309, 60330), (515, 36198), (618, 30165), (927, 20110), (1030, 18099), (1545, 12066), (1854, 10055), (2011, 9270), (3090, 6033), (4022, 4635)]