18188423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 22325760

約数和(自身を除く): 4137337

約数列:

[1, 11, 23, 29, 37, 67, 253, 319, 407, 667, 737, 851, 1073, 1541, 1943, 2479, 7337, 9361, 11803, 16951, 21373, 24679, 27269, 44689, 57017, 71891, 271469, 491579, 627187, 790801, 1653493, 18188423]

約数ペア:

[(1, 18188423), (11, 1653493), (23, 790801), (29, 627187), (37, 491579), (67, 271469), (253, 71891), (319, 57017), (407, 44689), (667, 27269), (737, 24679), (851, 21373), (1073, 16951), (1541, 11803), (1943, 9361), (2479, 7337)]