1907890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1889}}^1$

素因数の和:1997

約数の個数: 16

約数和(自身を含む): 3470040

約数和(自身を除く): 1562150

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1889, 3778, 9445, 18890, 190789, 381578, 953945, 1907890]

約数ペア:

[(1, 1907890), (2, 953945), (5, 381578), (10, 190789), (101, 18890), (202, 9445), (505, 3778), (1010, 1889)]