18911085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 31752192

約数和(自身を除く): 12841107

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 607, 1005, 1821, 2077, 3035, 6231, 9105, 10385, 18817, 31155, 40669, 56451, 94085, 122007, 203345, 282255, 610035, 1260739, 3782217, 6303695, 18911085]

約数ペア:

[(1, 18911085), (3, 6303695), (5, 3782217), (15, 1260739), (31, 610035), (67, 282255), (93, 203345), (155, 122007), (201, 94085), (335, 56451), (465, 40669), (607, 31155), (1005, 18817), (1821, 10385), (2077, 9105), (3035, 6231)]