201918619

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{2557}}^1$

素因数の和:2982

約数の個数: 16

約数和(自身を含む): 239428800

約数和(自身を除く): 37510181

約数列:

[1, 7, 29, 203, 389, 2557, 2723, 11281, 17899, 74153, 78967, 519071, 994673, 6962711, 28845517, 201918619]

約数ペア:

[(1, 201918619), (7, 28845517), (29, 6962711), (203, 994673), (389, 519071), (2557, 78967), (2723, 74153), (11281, 17899)]