18218730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 28592790

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 139, 170, 255, 257, 278, 417, 510, 514, 695, 771, 834, 1285, 1390, 1542, 2085, 2363, 2570, 3855, 4170, 4369, 4726, 7089, 7710, 8738, 11815, 13107, 14178, 21845, 23630, 26214, 35445, 35723, 43690, 65535, 70890, 71446, 107169, 131070, 178615, 214338, 357230, 535845, 607291, 1071690, 1214582, 1821873, 3036455, 3643746, 6072910, 9109365, 18218730]

約数ペア:

[(1, 18218730), (2, 9109365), (3, 6072910), (5, 3643746), (6, 3036455), (10, 1821873), (15, 1214582), (17, 1071690), (30, 607291), (34, 535845), (51, 357230), (85, 214338), (102, 178615), (139, 131070), (170, 107169), (255, 71446), (257, 70890), (278, 65535), (417, 43690), (510, 35723), (514, 35445), (695, 26214), (771, 23630), (834, 21845), (1285, 14178), (1390, 13107), (1542, 11815), (2085, 8738), (2363, 7710), (2570, 7089), (3855, 4726), (4170, 4369)]