19314525

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 33587136

約数和(自身を除く): 14272611

約数列:

[1, 3, 5, 15, 25, 43, 53, 75, 113, 129, 159, 215, 265, 339, 565, 645, 795, 1075, 1325, 1695, 2279, 2825, 3225, 3975, 4859, 5989, 6837, 8475, 11395, 14577, 17967, 24295, 29945, 34185, 56975, 72885, 89835, 121475, 149725, 170925, 257527, 364425, 449175, 772581, 1287635, 3862905, 6438175, 19314525]

約数ペア:

[(1, 19314525), (3, 6438175), (5, 3862905), (15, 1287635), (25, 772581), (43, 449175), (53, 364425), (75, 257527), (113, 170925), (129, 149725), (159, 121475), (215, 89835), (265, 72885), (339, 56975), (565, 34185), (645, 29945), (795, 24295), (1075, 17967), (1325, 14577), (1695, 11395), (2279, 8475), (2825, 6837), (3225, 5989), (3975, 4859)]