18851210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3793}}^1$

素因数の和:3878

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 20484982

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 3793, 4970, 7586, 18965, 26551, 37930, 53102, 132755, 265510, 269303, 538606, 1346515, 1885121, 2693030, 3770242, 9425605, 18851210]

約数ペア:

[(1, 18851210), (2, 9425605), (5, 3770242), (7, 2693030), (10, 1885121), (14, 1346515), (35, 538606), (70, 269303), (71, 265510), (142, 132755), (355, 53102), (497, 37930), (710, 26551), (994, 18965), (2485, 7586), (3793, 4970)]