18896367

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 12359697

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1291, 2091, 3873, 4879, 9037, 14637, 21947, 27111, 52931, 65841, 153629, 158793, 370517, 460887, 899827, 1111551, 2699481, 6298789, 18896367]

約数ペア:

[(1, 18896367), (3, 6298789), (7, 2699481), (17, 1111551), (21, 899827), (41, 460887), (51, 370517), (119, 158793), (123, 153629), (287, 65841), (357, 52931), (697, 27111), (861, 21947), (1291, 14637), (2091, 9037), (3873, 4879)]