18241986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 27480894

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 881, 986, 1218, 1479, 1762, 2643, 2958, 3451, 5286, 6167, 6902, 10353, 12334, 14977, 18501, 20706, 25549, 29954, 37002, 44931, 51098, 76647, 89862, 104839, 153294, 178843, 209678, 314517, 357686, 434333, 536529, 629034, 868666, 1073058, 1302999, 2605998, 3040331, 6080662, 9120993, 18241986]

約数ペア:

[(1, 18241986), (2, 9120993), (3, 6080662), (6, 3040331), (7, 2605998), (14, 1302999), (17, 1073058), (21, 868666), (29, 629034), (34, 536529), (42, 434333), (51, 357686), (58, 314517), (87, 209678), (102, 178843), (119, 153294), (174, 104839), (203, 89862), (238, 76647), (357, 51098), (406, 44931), (493, 37002), (609, 29954), (714, 25549), (881, 20706), (986, 18501), (1218, 14977), (1479, 12334), (1762, 10353), (2643, 6902), (2958, 6167), (3451, 5286)]