18612040

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1997}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 42077880

約数和(自身を除く): 23465840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 1997, 2330, 3994, 4660, 7988, 9320, 9985, 15976, 19970, 39940, 79880, 465301, 930602, 1861204, 2326505, 3722408, 4653010, 9306020, 18612040]

約数ペア:

[(1, 18612040), (2, 9306020), (4, 4653010), (5, 3722408), (8, 2326505), (10, 1861204), (20, 930602), (40, 465301), (233, 79880), (466, 39940), (932, 19970), (1165, 15976), (1864, 9985), (1997, 9320), (2330, 7988), (3994, 4660)]