18843705

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15025095

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1439, 1455, 2619, 4317, 4365, 7195, 12951, 13095, 21585, 38853, 64755, 139583, 194265, 418749, 697915, 1256247, 2093745, 3768741, 6281235, 18843705]

約数ペア:

[(1, 18843705), (3, 6281235), (5, 3768741), (9, 2093745), (15, 1256247), (27, 697915), (45, 418749), (97, 194265), (135, 139583), (291, 64755), (485, 38853), (873, 21585), (1439, 13095), (1455, 12951), (2619, 7195), (4317, 4365)]