18956072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 37627200

約数和(自身を除く): 18671128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 401, 622, 802, 1244, 1604, 2488, 3208, 5909, 7619, 11818, 15238, 23636, 30476, 47272, 60952, 124711, 249422, 498844, 997688, 2369509, 4739018, 9478036, 18956072]

約数ペア:

[(1, 18956072), (2, 9478036), (4, 4739018), (8, 2369509), (19, 997688), (38, 498844), (76, 249422), (152, 124711), (311, 60952), (401, 47272), (622, 30476), (802, 23636), (1244, 15238), (1604, 11818), (2488, 7619), (3208, 5909)]