18248360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1890

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 28321240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1847, 1976, 2470, 3694, 4940, 7388, 9235, 9880, 14776, 18470, 24011, 35093, 36940, 48022, 70186, 73880, 96044, 120055, 140372, 175465, 192088, 240110, 280744, 350930, 456209, 480220, 701860, 912418, 960440, 1403720, 1824836, 2281045, 3649672, 4562090, 9124180, 18248360]

約数ペア:

[(1, 18248360), (2, 9124180), (4, 4562090), (5, 3649672), (8, 2281045), (10, 1824836), (13, 1403720), (19, 960440), (20, 912418), (26, 701860), (38, 480220), (40, 456209), (52, 350930), (65, 280744), (76, 240110), (95, 192088), (104, 175465), (130, 140372), (152, 120055), (190, 96044), (247, 73880), (260, 70186), (380, 48022), (494, 36940), (520, 35093), (760, 24011), (988, 18470), (1235, 14776), (1847, 9880), (1976, 9235), (2470, 7388), (3694, 4940)]