18183320

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1951}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 41109120

約数和(自身を除く): 22925800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 1951, 2330, 3902, 4660, 7804, 9320, 9755, 15608, 19510, 39020, 78040, 454583, 909166, 1818332, 2272915, 3636664, 4545830, 9091660, 18183320]

約数ペア:

[(1, 18183320), (2, 9091660), (4, 4545830), (5, 3636664), (8, 2272915), (10, 1818332), (20, 909166), (40, 454583), (233, 78040), (466, 39020), (932, 19510), (1165, 15608), (1864, 9755), (1951, 9320), (2330, 7804), (3902, 4660)]