18504792

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 51678900

約数和(自身を除く): 33174108

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 139, 172, 258, 278, 344, 387, 417, 516, 556, 774, 834, 1032, 1112, 1251, 1548, 1668, 1849, 2502, 3096, 3336, 3698, 5004, 5547, 5977, 7396, 10008, 11094, 11954, 14792, 16641, 17931, 22188, 23908, 33282, 35862, 44376, 47816, 53793, 66564, 71724, 107586, 133128, 143448, 215172, 257011, 430344, 514022, 771033, 1028044, 1542066, 2056088, 2313099, 3084132, 4626198, 6168264, 9252396, 18504792]

約数ペア:

[(1, 18504792), (2, 9252396), (3, 6168264), (4, 4626198), (6, 3084132), (8, 2313099), (9, 2056088), (12, 1542066), (18, 1028044), (24, 771033), (36, 514022), (43, 430344), (72, 257011), (86, 215172), (129, 143448), (139, 133128), (172, 107586), (258, 71724), (278, 66564), (344, 53793), (387, 47816), (417, 44376), (516, 35862), (556, 33282), (774, 23908), (834, 22188), (1032, 17931), (1112, 16641), (1251, 14792), (1548, 11954), (1668, 11094), (1849, 10008), (2502, 7396), (3096, 5977), (3336, 5547), (3698, 5004)]