19642375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 26178048

約数和(自身を除く): 6535673

約数列:

[1, 5, 25, 31, 37, 125, 137, 155, 185, 685, 775, 925, 1147, 3425, 3875, 4247, 4625, 5069, 5735, 17125, 21235, 25345, 28675, 106175, 126725, 143375, 157139, 530875, 633625, 785695, 3928475, 19642375]

約数ペア:

[(1, 19642375), (5, 3928475), (25, 785695), (31, 633625), (37, 530875), (125, 157139), (137, 143375), (155, 126725), (185, 106175), (685, 28675), (775, 25345), (925, 21235), (1147, 17125), (3425, 5735), (3875, 5069), (4247, 4625)]