18689904

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1334

約数の個数: 60

約数和(自身を含む): 52838136

約数和(自身を除く): 34148232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1213, 1284, 1712, 1926, 2426, 2568, 3639, 3852, 4852, 5136, 7278, 7704, 9704, 10917, 14556, 15408, 19408, 21834, 29112, 43668, 58224, 87336, 129791, 174672, 259582, 389373, 519164, 778746, 1038328, 1168119, 1557492, 2076656, 2336238, 3114984, 4672476, 6229968, 9344952, 18689904]

約数ペア:

[(1, 18689904), (2, 9344952), (3, 6229968), (4, 4672476), (6, 3114984), (8, 2336238), (9, 2076656), (12, 1557492), (16, 1168119), (18, 1038328), (24, 778746), (36, 519164), (48, 389373), (72, 259582), (107, 174672), (144, 129791), (214, 87336), (321, 58224), (428, 43668), (642, 29112), (856, 21834), (963, 19408), (1213, 15408), (1284, 14556), (1712, 10917), (1926, 9704), (2426, 7704), (2568, 7278), (3639, 5136), (3852, 4852)]