18687840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{38933}}^1$

素因数の和:38951

約数の個数: 48

約数和(自身を含む): 58868208

約数和(自身を除く): 40180368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 38933, 77866, 116799, 155732, 194665, 233598, 311464, 389330, 467196, 583995, 622928, 778660, 934392, 1167990, 1245856, 1557320, 1868784, 2335980, 3114640, 3737568, 4671960, 6229280, 9343920, 18687840]

約数ペア:

[(1, 18687840), (2, 9343920), (3, 6229280), (4, 4671960), (5, 3737568), (6, 3114640), (8, 2335980), (10, 1868784), (12, 1557320), (15, 1245856), (16, 1167990), (20, 934392), (24, 778660), (30, 622928), (32, 583995), (40, 467196), (48, 389330), (60, 311464), (80, 233598), (96, 194665), (120, 155732), (160, 116799), (240, 77866), (480, 38933)]