18843984

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1344

約数の個数: 60

約数和(自身を含む): 53273376

約数和(自身を除く): 34429392

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, 1223, 1284, 1712, 1926, 2446, 2568, 3669, 3852, 4892, 5136, 7338, 7704, 9784, 11007, 14676, 15408, 19568, 22014, 29352, 44028, 58704, 88056, 130861, 176112, 261722, 392583, 523444, 785166, 1046888, 1177749, 1570332, 2093776, 2355498, 3140664, 4710996, 6281328, 9421992, 18843984]

約数ペア:

[(1, 18843984), (2, 9421992), (3, 6281328), (4, 4710996), (6, 3140664), (8, 2355498), (9, 2093776), (12, 1570332), (16, 1177749), (18, 1046888), (24, 785166), (36, 523444), (48, 392583), (72, 261722), (107, 176112), (144, 130861), (214, 88056), (321, 58704), (428, 44028), (642, 29352), (856, 22014), (963, 19568), (1223, 15408), (1284, 14676), (1712, 11007), (1926, 9784), (2446, 7704), (2568, 7338), (3669, 5136), (3852, 4892)]