13905530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 26568000

約数和(自身を除く): 12662470

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 449, 815, 898, 1630, 2245, 3097, 4490, 6194, 8531, 15485, 17062, 30970, 42655, 73187, 85310, 146374, 365935, 731870, 1390553, 2781106, 6952765, 13905530]

約数ペア:

[(1, 13905530), (2, 6952765), (5, 2781106), (10, 1390553), (19, 731870), (38, 365935), (95, 146374), (163, 85310), (190, 73187), (326, 42655), (449, 30970), (815, 17062), (898, 15485), (1630, 8531), (2245, 6194), (3097, 4490)]