18956976

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{3691}}^1$

素因数の和:3809

約数の個数: 40

約数和(自身を含む): 49443264

約数和(自身を除く): 30486288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 3691, 5136, 7382, 11073, 14764, 22146, 29528, 44292, 59056, 88584, 177168, 394937, 789874, 1184811, 1579748, 2369622, 3159496, 4739244, 6318992, 9478488, 18956976]

約数ペア:

[(1, 18956976), (2, 9478488), (3, 6318992), (4, 4739244), (6, 3159496), (8, 2369622), (12, 1579748), (16, 1184811), (24, 789874), (48, 394937), (107, 177168), (214, 88584), (321, 59056), (428, 44292), (642, 29528), (856, 22146), (1284, 14764), (1712, 11073), (2568, 7382), (3691, 5136)]