19666686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2833}}^1$

素因数の和:2940

約数の個数: 32

約数和(自身を含む): 42850080

約数和(自身を除く): 23183394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 2833, 3471, 5666, 6942, 8499, 16998, 36829, 73658, 110487, 220974, 252137, 504274, 756411, 1512822, 3277781, 6555562, 9833343, 19666686]

約数ペア:

[(1, 19666686), (2, 9833343), (3, 6555562), (6, 3277781), (13, 1512822), (26, 756411), (39, 504274), (78, 252137), (89, 220974), (178, 110487), (267, 73658), (534, 36829), (1157, 16998), (2314, 8499), (2833, 6942), (3471, 5666)]