18530690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15994750

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 443, 445, 470, 886, 890, 2215, 4183, 4430, 8366, 20821, 20915, 39427, 41642, 41830, 78854, 104105, 197135, 208210, 394270, 1853069, 3706138, 9265345, 18530690]

約数ペア:

[(1, 18530690), (2, 9265345), (5, 3706138), (10, 1853069), (47, 394270), (89, 208210), (94, 197135), (178, 104105), (235, 78854), (443, 41830), (445, 41642), (470, 39427), (886, 20915), (890, 20821), (2215, 8366), (4183, 4430)]