19005875

素因数分解:

$5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 28810080

約数和(自身を除く): 9804205

約数列:

[1, 5, 7, 25, 29, 35, 49, 107, 125, 145, 175, 203, 245, 535, 725, 749, 875, 1015, 1225, 1421, 2675, 3103, 3625, 3745, 5075, 5243, 6125, 7105, 13375, 15515, 18725, 21721, 25375, 26215, 35525, 77575, 93625, 108605, 131075, 152047, 177625, 387875, 543025, 655375, 760235, 2715125, 3801175, 19005875]

約数ペア:

[(1, 19005875), (5, 3801175), (7, 2715125), (25, 760235), (29, 655375), (35, 543025), (49, 387875), (107, 177625), (125, 152047), (145, 131075), (175, 108605), (203, 93625), (245, 77575), (535, 35525), (725, 26215), (749, 25375), (875, 21721), (1015, 18725), (1225, 15515), (1421, 13375), (2675, 7105), (3103, 6125), (3625, 5243), (3745, 5075)]