18427577

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 22752576

約数和(自身を除く): 4324999

約数列:

[1, 7, 23, 49, 83, 161, 197, 581, 1127, 1379, 1909, 4067, 4531, 9653, 13363, 16351, 31717, 93541, 114457, 222019, 376073, 801199, 2632511, 18427577]

約数ペア:

[(1, 18427577), (7, 2632511), (23, 801199), (49, 376073), (83, 222019), (161, 114457), (197, 93541), (581, 31717), (1127, 16351), (1379, 13363), (1909, 9653), (4067, 4531)]