19979968358

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{689107}}^1$

素因数の和:689244

約数の個数: 32

約数和(自身を含む): 36384902400

約数和(自身を除く): 16404934042

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 763, 1526, 2071, 4142, 14497, 28994, 689107, 1378214, 4823749, 9647498, 13093033, 26186066, 75112663, 91651231, 150225326, 183302462, 525788641, 1051577282, 1427140597, 2854281194, 9989984179, 19979968358]

約数ペア:

[(1, 19979968358), (2, 9989984179), (7, 2854281194), (14, 1427140597), (19, 1051577282), (38, 525788641), (109, 183302462), (133, 150225326), (218, 91651231), (266, 75112663), (763, 26186066), (1526, 13093033), (2071, 9647498), (4142, 4823749), (14497, 1378214), (28994, 689107)]