18885428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 34409760

約数和(自身を除く): 15524332

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 1861, 2537, 3722, 5074, 7444, 10148, 80023, 109799, 160046, 219598, 320092, 439196, 4721357, 9442714, 18885428]

約数ペア:

[(1, 18885428), (2, 9442714), (4, 4721357), (43, 439196), (59, 320092), (86, 219598), (118, 160046), (172, 109799), (236, 80023), (1861, 10148), (2537, 7444), (3722, 5074)]