18155830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 46033920

約数和(自身を除く): 27878090

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 19, 22, 34, 35, 38, 55, 70, 73, 77, 85, 95, 110, 119, 133, 146, 154, 170, 187, 190, 209, 238, 266, 323, 365, 374, 385, 418, 511, 595, 646, 665, 730, 770, 803, 935, 1022, 1045, 1190, 1241, 1309, 1330, 1387, 1463, 1606, 1615, 1870, 2090, 2261, 2482, 2555, 2618, 2774, 2926, 3230, 3553, 4015, 4522, 5110, 5621, 6205, 6545, 6935, 7106, 7315, 8030, 8687, 9709, 11242, 11305, 12410, 13090, 13651, 13870, 14630, 15257, 17374, 17765, 19418, 22610, 23579, 24871, 27302, 28105, 30514, 35530, 43435, 47158, 48545, 49742, 56210, 68255, 76285, 86870, 95557, 97090, 106799, 117895, 124355, 136510, 152570, 165053, 191114, 213598, 235790, 248710, 259369, 330106, 477785, 518738, 533995, 825265, 955570, 1067990, 1296845, 1650530, 1815583, 2593690, 3631166, 9077915, 18155830]

約数ペア:

[(1, 18155830), (2, 9077915), (5, 3631166), (7, 2593690), (10, 1815583), (11, 1650530), (14, 1296845), (17, 1067990), (19, 955570), (22, 825265), (34, 533995), (35, 518738), (38, 477785), (55, 330106), (70, 259369), (73, 248710), (77, 235790), (85, 213598), (95, 191114), (110, 165053), (119, 152570), (133, 136510), (146, 124355), (154, 117895), (170, 106799), (187, 97090), (190, 95557), (209, 86870), (238, 76285), (266, 68255), (323, 56210), (365, 49742), (374, 48545), (385, 47158), (418, 43435), (511, 35530), (595, 30514), (646, 28105), (665, 27302), (730, 24871), (770, 23579), (803, 22610), (935, 19418), (1022, 17765), (1045, 17374), (1190, 15257), (1241, 14630), (1309, 13870), (1330, 13651), (1387, 13090), (1463, 12410), (1606, 11305), (1615, 11242), (1870, 9709), (2090, 8687), (2261, 8030), (2482, 7315), (2555, 7106), (2618, 6935), (2774, 6545), (2926, 6205), (3230, 5621), (3553, 5110), (4015, 4522)]