18645770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 42690240

約数和(自身を除く): 24044470

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 59, 65, 85, 110, 118, 130, 143, 169, 170, 187, 221, 286, 295, 338, 374, 442, 590, 649, 715, 767, 845, 935, 1003, 1105, 1298, 1430, 1534, 1690, 1859, 1870, 2006, 2210, 2431, 2873, 3245, 3718, 3835, 4862, 5015, 5746, 6490, 7670, 8437, 9295, 9971, 10030, 11033, 12155, 13039, 14365, 16874, 18590, 19942, 22066, 24310, 26078, 28730, 31603, 42185, 49855, 55165, 63206, 65195, 84370, 99710, 109681, 110330, 130390, 143429, 158015, 169507, 219362, 286858, 316030, 339014, 548405, 717145, 847535, 1096810, 1434290, 1695070, 1864577, 3729154, 9322885, 18645770]

約数ペア:

[(1, 18645770), (2, 9322885), (5, 3729154), (10, 1864577), (11, 1695070), (13, 1434290), (17, 1096810), (22, 847535), (26, 717145), (34, 548405), (55, 339014), (59, 316030), (65, 286858), (85, 219362), (110, 169507), (118, 158015), (130, 143429), (143, 130390), (169, 110330), (170, 109681), (187, 99710), (221, 84370), (286, 65195), (295, 63206), (338, 55165), (374, 49855), (442, 42185), (590, 31603), (649, 28730), (715, 26078), (767, 24310), (845, 22066), (935, 19942), (1003, 18590), (1105, 16874), (1298, 14365), (1430, 13039), (1534, 12155), (1690, 11033), (1859, 10030), (1870, 9971), (2006, 9295), (2210, 8437), (2431, 7670), (2873, 6490), (3245, 5746), (3718, 5015), (3835, 4862)]