18756684

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32610996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 839, 972, 1242, 1678, 1863, 2484, 2517, 3356, 3726, 5034, 5589, 7452, 7551, 10068, 11178, 15102, 19297, 22356, 22653, 30204, 38594, 45306, 57891, 67959, 77188, 90612, 115782, 135918, 173673, 203877, 231564, 271836, 347346, 407754, 521019, 694692, 815508, 1042038, 1563057, 2084076, 3126114, 4689171, 6252228, 9378342, 18756684]

約数ペア:

[(1, 18756684), (2, 9378342), (3, 6252228), (4, 4689171), (6, 3126114), (9, 2084076), (12, 1563057), (18, 1042038), (23, 815508), (27, 694692), (36, 521019), (46, 407754), (54, 347346), (69, 271836), (81, 231564), (92, 203877), (108, 173673), (138, 135918), (162, 115782), (207, 90612), (243, 77188), (276, 67959), (324, 57891), (414, 45306), (486, 38594), (621, 30204), (828, 22653), (839, 22356), (972, 19297), (1242, 15102), (1678, 11178), (1863, 10068), (2484, 7551), (2517, 7452), (3356, 5589), (3726, 5034)]