18833731

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 23591520

約数和(自身を除く): 4757789

約数列:

[1, 7, 19, 29, 133, 203, 257, 361, 551, 1799, 2527, 3857, 4883, 7453, 10469, 34181, 52171, 73283, 92777, 141607, 649439, 991249, 2690533, 18833731]

約数ペア:

[(1, 18833731), (7, 2690533), (19, 991249), (29, 649439), (133, 141607), (203, 92777), (257, 73283), (361, 52171), (551, 34181), (1799, 10469), (2527, 7453), (3857, 4883)]