20161819928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{348917}}^1$

素因数の和:349187

約数の個数: 32

約数和(自身を含む): 39190469760

約数和(自身を除く): 19028649832

約数列:

[1, 2, 4, 8, 31, 62, 124, 233, 248, 466, 932, 1864, 7223, 14446, 28892, 57784, 348917, 697834, 1395668, 2791336, 10816427, 21632854, 43265708, 81297661, 86531416, 162595322, 325190644, 650381288, 2520227491, 5040454982, 10080909964, 20161819928]

約数ペア:

[(1, 20161819928), (2, 10080909964), (4, 5040454982), (8, 2520227491), (31, 650381288), (62, 325190644), (124, 162595322), (233, 86531416), (248, 81297661), (466, 43265708), (932, 21632854), (1864, 10816427), (7223, 2791336), (14446, 1395668), (28892, 697834), (57784, 348917)]