18700778870

素因数分解:

$2^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1471}}^1\times {\mathrm{1889}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 33752194560

約数和(自身を除く): 15051415690

約数列:

[1, 2, 5, 10, 673, 1346, 1471, 1889, 2942, 3365, 3778, 6730, 7355, 9445, 14710, 18890, 989983, 1271297, 1979966, 2542594, 2778719, 4949915, 5557438, 6356485, 9899830, 12712970, 13893595, 27787190, 1870077887, 3740155774, 9350389435, 18700778870]

約数ペア:

[(1, 18700778870), (2, 9350389435), (5, 3740155774), (10, 1870077887), (673, 27787190), (1346, 13893595), (1471, 12712970), (1889, 9899830), (2942, 6356485), (3365, 5557438), (3778, 4949915), (6730, 2778719), (7355, 2542594), (9445, 1979966), (14710, 1271297), (18890, 989983)]