18337833

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 28962560

約数和(自身を除く): 10624727

約数列:

[1, 3, 9, 27, 31, 67, 81, 93, 109, 201, 279, 327, 603, 837, 981, 1809, 2077, 2511, 2943, 3379, 5427, 6231, 7303, 8829, 10137, 18693, 21909, 30411, 56079, 65727, 91233, 168237, 197181, 226393, 273699, 591543, 679179, 2037537, 6112611, 18337833]

約数ペア:

[(1, 18337833), (3, 6112611), (9, 2037537), (27, 679179), (31, 591543), (67, 273699), (81, 226393), (93, 197181), (109, 168237), (201, 91233), (279, 65727), (327, 56079), (603, 30411), (837, 21909), (981, 18693), (1809, 10137), (2077, 8829), (2511, 7303), (2943, 6231), (3379, 5427)]