19269050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 37731960

約数和(自身を除く): 18462910

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 97, 137, 145, 194, 274, 290, 485, 685, 725, 970, 1370, 1450, 2425, 2813, 3425, 3973, 4850, 5626, 6850, 7946, 13289, 14065, 19865, 26578, 28130, 39730, 66445, 70325, 99325, 132890, 140650, 198650, 332225, 385381, 664450, 770762, 1926905, 3853810, 9634525, 19269050]

約数ペア:

[(1, 19269050), (2, 9634525), (5, 3853810), (10, 1926905), (25, 770762), (29, 664450), (50, 385381), (58, 332225), (97, 198650), (137, 140650), (145, 132890), (194, 99325), (274, 70325), (290, 66445), (485, 39730), (685, 28130), (725, 26578), (970, 19865), (1370, 14065), (1450, 13289), (2425, 7946), (2813, 6850), (3425, 5626), (3973, 4850)]