17912840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3701}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 44312940

約数和(自身を除く): 26400100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3701, 4840, 7402, 14804, 18505, 29608, 37010, 40711, 74020, 81422, 148040, 162844, 203555, 325688, 407110, 447821, 814220, 895642, 1628440, 1791284, 2239105, 3582568, 4478210, 8956420, 17912840]

約数ペア:

[(1, 17912840), (2, 8956420), (4, 4478210), (5, 3582568), (8, 2239105), (10, 1791284), (11, 1628440), (20, 895642), (22, 814220), (40, 447821), (44, 407110), (55, 325688), (88, 203555), (110, 162844), (121, 148040), (220, 81422), (242, 74020), (440, 40711), (484, 37010), (605, 29608), (968, 18505), (1210, 14804), (2420, 7402), (3701, 4840)]