18987984

素因数分解:

$2^4\times 3^2\times {\mathrm{131861}}^1$

素因数の和:131875

約数の個数: 30

約数和(自身を含む): 53140386

約数和(自身を除く): 34152402

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131861, 263722, 395583, 527444, 791166, 1054888, 1186749, 1582332, 2109776, 2373498, 3164664, 4746996, 6329328, 9493992, 18987984]

約数ペア:

[(1, 18987984), (2, 9493992), (3, 6329328), (4, 4746996), (6, 3164664), (8, 2373498), (9, 2109776), (12, 1582332), (16, 1186749), (18, 1054888), (24, 791166), (36, 527444), (48, 395583), (72, 263722), (144, 131861)]