19547297

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 26231040

約数和(自身を除く): 6683743

約数列:

[1, 7, 11, 17, 77, 109, 119, 137, 187, 763, 959, 1199, 1309, 1507, 1853, 2329, 8393, 10549, 12971, 14933, 16303, 20383, 25619, 104531, 142681, 164263, 179333, 253861, 1149841, 1777027, 2792471, 19547297]

約数ペア:

[(1, 19547297), (7, 2792471), (11, 1777027), (17, 1149841), (77, 253861), (109, 179333), (119, 164263), (137, 142681), (187, 104531), (763, 25619), (959, 20383), (1199, 16303), (1309, 14933), (1507, 12971), (1853, 10549), (2329, 8393)]