19669518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 46932912

約数和(自身を除く): 27263394

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 821, 1089, 1331, 1642, 2178, 2463, 2662, 3993, 4926, 7389, 7986, 9031, 11979, 14778, 18062, 23958, 27093, 54186, 81279, 99341, 162558, 198682, 298023, 596046, 894069, 1092751, 1788138, 2185502, 3278253, 6556506, 9834759, 19669518]

約数ペア:

[(1, 19669518), (2, 9834759), (3, 6556506), (6, 3278253), (9, 2185502), (11, 1788138), (18, 1092751), (22, 894069), (33, 596046), (66, 298023), (99, 198682), (121, 162558), (198, 99341), (242, 81279), (363, 54186), (726, 27093), (821, 23958), (1089, 18062), (1331, 14778), (1642, 11979), (2178, 9031), (2463, 7986), (2662, 7389), (3993, 4926)]