18456921

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{773}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 12131559

約数列:

[1, 3, 7, 9, 21, 63, 379, 773, 1137, 2319, 2653, 3411, 5411, 6957, 7959, 16233, 23877, 48699, 292967, 878901, 2050769, 2636703, 6152307, 18456921]

約数ペア:

[(1, 18456921), (3, 6152307), (7, 2636703), (9, 2050769), (21, 878901), (63, 292967), (379, 48699), (773, 23877), (1137, 16233), (2319, 7959), (2653, 6957), (3411, 5411)]