18784415460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{897059}}^1$

素因数の和:897420

約数の個数: 48

約数和(自身を含む): 52747128000

約数和(自身を除く): 33962712540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 1047, 1396, 1745, 2094, 3490, 4188, 5235, 6980, 10470, 20940, 897059, 1794118, 2691177, 3588236, 4485295, 5382354, 8970590, 10764708, 13455885, 17941180, 26911770, 53823540, 313073591, 626147182, 939220773, 1252294364, 1565367955, 1878441546, 3130735910, 3756883092, 4696103865, 6261471820, 9392207730, 18784415460]

約数ペア:

[(1, 18784415460), (2, 9392207730), (3, 6261471820), (4, 4696103865), (5, 3756883092), (6, 3130735910), (10, 1878441546), (12, 1565367955), (15, 1252294364), (20, 939220773), (30, 626147182), (60, 313073591), (349, 53823540), (698, 26911770), (1047, 17941180), (1396, 13455885), (1745, 10764708), (2094, 8970590), (3490, 5382354), (4188, 4485295), (5235, 3588236), (6980, 2691177), (10470, 1794118), (20940, 897059)]