19913320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71119}}^1$

素因数の和:71137

約数の個数: 32

約数和(自身を含む): 51206400

約数和(自身を除く): 31293080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71119, 142238, 284476, 355595, 497833, 568952, 711190, 995666, 1422380, 1991332, 2489165, 2844760, 3982664, 4978330, 9956660, 19913320]

約数ペア:

[(1, 19913320), (2, 9956660), (4, 4978330), (5, 3982664), (7, 2844760), (8, 2489165), (10, 1991332), (14, 1422380), (20, 995666), (28, 711190), (35, 568952), (40, 497833), (56, 355595), (70, 284476), (140, 142238), (280, 71119)]