18352873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 24532992

約数和(自身を除く): 6180119

約数列:

[1, 7, 11, 23, 43, 77, 161, 241, 253, 301, 473, 989, 1687, 1771, 2651, 3311, 5543, 6923, 10363, 10879, 18557, 38801, 60973, 72541, 76153, 113993, 238349, 426811, 797951, 1668443, 2621839, 18352873]

約数ペア:

[(1, 18352873), (7, 2621839), (11, 1668443), (23, 797951), (43, 426811), (77, 238349), (161, 113993), (241, 76153), (253, 72541), (301, 60973), (473, 38801), (989, 18557), (1687, 10879), (1771, 10363), (2651, 6923), (3311, 5543)]