18896661

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10343}}^1$

素因数の和:10385

約数の個数: 24

約数和(自身を含む): 32273280

約数和(自身を除く): 13376619

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10343, 31029, 72401, 93087, 217203, 299947, 651609, 899841, 2099629, 2699523, 6298887, 18896661]

約数ペア:

[(1, 18896661), (3, 6298887), (7, 2699523), (9, 2099629), (21, 899841), (29, 651609), (63, 299947), (87, 217203), (203, 93087), (261, 72401), (609, 31029), (1827, 10343)]