19860711

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 29373696

約数和(自身を除く): 9512985

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 911, 1677, 2733, 7267, 11843, 21801, 35529, 39173, 117519, 153959, 461877, 509249, 1527747, 6620237, 19860711]

約数ペア:

[(1, 19860711), (3, 6620237), (13, 1527747), (39, 509249), (43, 461877), (129, 153959), (169, 117519), (507, 39173), (559, 35529), (911, 21801), (1677, 11843), (2733, 7267)]