19395670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 23006858

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1721, 2254, 3442, 5635, 8605, 11270, 12047, 17210, 24094, 39583, 60235, 79166, 84329, 120470, 168658, 197915, 277081, 395830, 421645, 554162, 843290, 1385405, 1939567, 2770810, 3879134, 9697835, 19395670]

約数ペア:

[(1, 19395670), (2, 9697835), (5, 3879134), (7, 2770810), (10, 1939567), (14, 1385405), (23, 843290), (35, 554162), (46, 421645), (49, 395830), (70, 277081), (98, 197915), (115, 168658), (161, 120470), (230, 84329), (245, 79166), (322, 60235), (490, 39583), (805, 24094), (1127, 17210), (1610, 12047), (1721, 11270), (2254, 8605), (3442, 5635)]