12181212

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 32862480

約数和(自身を除く): 20681268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 61, 86, 108, 122, 129, 172, 183, 244, 258, 366, 387, 516, 549, 732, 774, 1098, 1161, 1548, 1647, 1849, 2196, 2322, 2623, 3294, 3698, 4644, 5246, 5547, 6588, 7396, 7869, 10492, 11094, 15738, 16641, 22188, 23607, 31476, 33282, 47214, 49923, 66564, 70821, 94428, 99846, 112789, 141642, 199692, 225578, 283284, 338367, 451156, 676734, 1015101, 1353468, 2030202, 3045303, 4060404, 6090606, 12181212]

約数ペア:

[(1, 12181212), (2, 6090606), (3, 4060404), (4, 3045303), (6, 2030202), (9, 1353468), (12, 1015101), (18, 676734), (27, 451156), (36, 338367), (43, 283284), (54, 225578), (61, 199692), (86, 141642), (108, 112789), (122, 99846), (129, 94428), (172, 70821), (183, 66564), (244, 49923), (258, 47214), (366, 33282), (387, 31476), (516, 23607), (549, 22188), (732, 16641), (774, 15738), (1098, 11094), (1161, 10492), (1548, 7869), (1647, 7396), (1849, 6588), (2196, 5547), (2322, 5246), (2623, 4644), (3294, 3698)]