19274277

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 31122432

約数和(自身を除く): 11848155

約数列:

[1, 3, 11, 17, 33, 43, 47, 51, 129, 141, 187, 289, 473, 517, 561, 731, 799, 867, 1419, 1551, 2021, 2193, 2397, 3179, 6063, 8041, 8789, 9537, 12427, 13583, 22231, 24123, 26367, 34357, 37281, 40749, 66693, 103071, 136697, 149413, 377927, 410091, 448239, 584069, 1133781, 1752207, 6424759, 19274277]

約数ペア:

[(1, 19274277), (3, 6424759), (11, 1752207), (17, 1133781), (33, 584069), (43, 448239), (47, 410091), (51, 377927), (129, 149413), (141, 136697), (187, 103071), (289, 66693), (473, 40749), (517, 37281), (561, 34357), (731, 26367), (799, 24123), (867, 22231), (1419, 13583), (1551, 12427), (2021, 9537), (2193, 8789), (2397, 8041), (3179, 6063)]