18249990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 31205370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1907, 1914, 3190, 3814, 4785, 5721, 9535, 9570, 11442, 19070, 20977, 28605, 41954, 55303, 57210, 62931, 104885, 110606, 125862, 165909, 209770, 276515, 314655, 331818, 553030, 608333, 629310, 829545, 1216666, 1659090, 1824999, 3041665, 3649998, 6083330, 9124995, 18249990]

約数ペア:

[(1, 18249990), (2, 9124995), (3, 6083330), (5, 3649998), (6, 3041665), (10, 1824999), (11, 1659090), (15, 1216666), (22, 829545), (29, 629310), (30, 608333), (33, 553030), (55, 331818), (58, 314655), (66, 276515), (87, 209770), (110, 165909), (145, 125862), (165, 110606), (174, 104885), (290, 62931), (319, 57210), (330, 55303), (435, 41954), (638, 28605), (870, 20977), (957, 19070), (1595, 11442), (1907, 9570), (1914, 9535), (3190, 5721), (3814, 4785)]