19138100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2084

約数の個数: 36

約数和(自身を含む): 41979084

約数和(自身を除く): 22840984

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 1973, 2425, 3946, 4850, 7892, 9700, 9865, 19730, 39460, 49325, 98650, 191381, 197300, 382762, 765524, 956905, 1913810, 3827620, 4784525, 9569050, 19138100]

約数ペア:

[(1, 19138100), (2, 9569050), (4, 4784525), (5, 3827620), (10, 1913810), (20, 956905), (25, 765524), (50, 382762), (97, 197300), (100, 191381), (194, 98650), (388, 49325), (485, 39460), (970, 19730), (1940, 9865), (1973, 9700), (2425, 7892), (3946, 4850)]