18510410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 36122112

約数和(自身を除く): 17611702

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 71, 142, 145, 155, 290, 310, 355, 710, 841, 899, 1682, 1798, 2059, 2201, 4118, 4205, 4402, 4495, 8410, 8990, 10295, 11005, 20590, 22010, 26071, 52142, 59711, 63829, 119422, 127658, 130355, 260710, 298555, 319145, 597110, 638290, 1851041, 3702082, 9255205, 18510410]

約数ペア:

[(1, 18510410), (2, 9255205), (5, 3702082), (10, 1851041), (29, 638290), (31, 597110), (58, 319145), (62, 298555), (71, 260710), (142, 130355), (145, 127658), (155, 119422), (290, 63829), (310, 59711), (355, 52142), (710, 26071), (841, 22010), (899, 20590), (1682, 11005), (1798, 10295), (2059, 8990), (2201, 8410), (4118, 4495), (4205, 4402)]