19320875

素因数分解:

$5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 28035072

約数和(自身を除く): 8714197

約数列:

[1, 5, 7, 25, 35, 71, 125, 175, 311, 355, 497, 875, 1555, 1775, 2177, 2485, 7775, 8875, 10885, 12425, 22081, 38875, 54425, 62125, 110405, 154567, 272125, 552025, 772835, 2760125, 3864175, 19320875]

約数ペア:

[(1, 19320875), (5, 3864175), (7, 2760125), (25, 772835), (35, 552025), (71, 272125), (125, 154567), (175, 110405), (311, 62125), (355, 54425), (497, 38875), (875, 22081), (1555, 12425), (1775, 10885), (2177, 8875), (2485, 7775)]