18222748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1471}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 33797120

約数和(自身を除く): 15574372

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1471, 2942, 3097, 5884, 6194, 12388, 27949, 55898, 111796, 239773, 479546, 959092, 4555687, 9111374, 18222748]

約数ペア:

[(1, 18222748), (2, 9111374), (4, 4555687), (19, 959092), (38, 479546), (76, 239773), (163, 111796), (326, 55898), (652, 27949), (1471, 12388), (2942, 6194), (3097, 5884)]