18238536

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 50940630

約数和(自身を除く): 32702094

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 137, 172, 258, 274, 344, 387, 411, 516, 548, 774, 822, 1032, 1096, 1233, 1548, 1644, 1849, 2466, 3096, 3288, 3698, 4932, 5547, 5891, 7396, 9864, 11094, 11782, 14792, 16641, 17673, 22188, 23564, 33282, 35346, 44376, 47128, 53019, 66564, 70692, 106038, 133128, 141384, 212076, 253313, 424152, 506626, 759939, 1013252, 1519878, 2026504, 2279817, 3039756, 4559634, 6079512, 9119268, 18238536]

約数ペア:

[(1, 18238536), (2, 9119268), (3, 6079512), (4, 4559634), (6, 3039756), (8, 2279817), (9, 2026504), (12, 1519878), (18, 1013252), (24, 759939), (36, 506626), (43, 424152), (72, 253313), (86, 212076), (129, 141384), (137, 133128), (172, 106038), (258, 70692), (274, 66564), (344, 53019), (387, 47128), (411, 44376), (516, 35346), (548, 33282), (774, 23564), (822, 22188), (1032, 17673), (1096, 16641), (1233, 14792), (1548, 11782), (1644, 11094), (1849, 9864), (2466, 7396), (3096, 5891), (3288, 5547), (3698, 4932)]