18817386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12109}}^1$

素因数の和:12158

約数の個数: 32

約数和(自身を含む): 44177280

約数和(自身を除く): 25359894

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12109, 24218, 36327, 72654, 84763, 169526, 254289, 448033, 508578, 896066, 1344099, 2688198, 3136231, 6272462, 9408693, 18817386]

約数ペア:

[(1, 18817386), (2, 9408693), (3, 6272462), (6, 3136231), (7, 2688198), (14, 1344099), (21, 896066), (37, 508578), (42, 448033), (74, 254289), (111, 169526), (222, 84763), (259, 72654), (518, 36327), (777, 24218), (1554, 12109)]