18987240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{158227}}^1$

素因数の和:158241

約数の個数: 32

約数和(自身を含む): 56962080

約数和(自身を除く): 37974840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 158227, 316454, 474681, 632908, 791135, 949362, 1265816, 1582270, 1898724, 2373405, 3164540, 3797448, 4746810, 6329080, 9493620, 18987240]

約数ペア:

[(1, 18987240), (2, 9493620), (3, 6329080), (4, 4746810), (5, 3797448), (6, 3164540), (8, 2373405), (10, 1898724), (12, 1582270), (15, 1265816), (20, 949362), (24, 791135), (30, 632908), (40, 474681), (60, 316454), (120, 158227)]