18307960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41609}}^1$

素因数の和:41631

約数の個数: 32

約数和(自身を含む): 44938800

約数和(自身を除く): 26630840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41609, 83218, 166436, 208045, 332872, 416090, 457699, 832180, 915398, 1664360, 1830796, 2288495, 3661592, 4576990, 9153980, 18307960]

約数ペア:

[(1, 18307960), (2, 9153980), (4, 4576990), (5, 3661592), (8, 2288495), (10, 1830796), (11, 1664360), (20, 915398), (22, 832180), (40, 457699), (44, 416090), (55, 332872), (88, 208045), (110, 166436), (220, 83218), (440, 41609)]