19208750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 60

約数和(自身を含む): 39887232

約数和(自身を除く): 20678482

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 127, 242, 250, 254, 275, 550, 605, 625, 635, 1210, 1250, 1270, 1375, 1397, 2750, 2794, 3025, 3175, 6050, 6350, 6875, 6985, 13750, 13970, 15125, 15367, 15875, 30250, 30734, 31750, 34925, 69850, 75625, 76835, 79375, 151250, 153670, 158750, 174625, 349250, 384175, 768350, 873125, 1746250, 1920875, 3841750, 9604375, 19208750]

約数ペア:

[(1, 19208750), (2, 9604375), (5, 3841750), (10, 1920875), (11, 1746250), (22, 873125), (25, 768350), (50, 384175), (55, 349250), (110, 174625), (121, 158750), (125, 153670), (127, 151250), (242, 79375), (250, 76835), (254, 75625), (275, 69850), (550, 34925), (605, 31750), (625, 30734), (635, 30250), (1210, 15875), (1250, 15367), (1270, 15125), (1375, 13970), (1397, 13750), (2750, 6985), (2794, 6875), (3025, 6350), (3175, 6050)]