19764885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{26891}}^1$

素因数の和:26913

約数の個数: 24

約数和(自身を含む): 36788256

約数和(自身を除く): 17023371

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 26891, 80673, 134455, 188237, 403365, 564711, 941185, 1317659, 2823555, 3952977, 6588295, 19764885]

約数ペア:

[(1, 19764885), (3, 6588295), (5, 3952977), (7, 2823555), (15, 1317659), (21, 941185), (35, 564711), (49, 403365), (105, 188237), (147, 134455), (245, 80673), (735, 26891)]