18740953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 6418727

約数列:

[1, 7, 11, 17, 77, 103, 119, 139, 187, 721, 973, 1133, 1309, 1529, 1751, 2363, 7931, 10703, 12257, 14317, 16541, 19261, 25993, 100219, 134827, 157487, 181951, 243389, 1102409, 1703723, 2677279, 18740953]

約数ペア:

[(1, 18740953), (7, 2677279), (11, 1703723), (17, 1102409), (77, 243389), (103, 181951), (119, 157487), (139, 134827), (187, 100219), (721, 25993), (973, 19261), (1133, 16541), (1309, 14317), (1529, 12257), (1751, 10703), (2363, 7931)]