18471299

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 24800256

約数和(自身を除く): 6328957

約数列:

[1, 7, 11, 17, 77, 103, 119, 137, 187, 721, 959, 1133, 1309, 1507, 1751, 2329, 7931, 10549, 12257, 14111, 16303, 19261, 25619, 98777, 134827, 155221, 179333, 239887, 1086547, 1679209, 2638757, 18471299]

約数ペア:

[(1, 18471299), (7, 2638757), (11, 1679209), (17, 1086547), (77, 239887), (103, 179333), (119, 155221), (137, 134827), (187, 98777), (721, 25619), (959, 19261), (1133, 16303), (1309, 14111), (1507, 12257), (1751, 10549), (2329, 7931)]