18044180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11717}}^1$

素因数の和:11744

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 29202796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11717, 23434, 46868, 58585, 82019, 117170, 128887, 164038, 234340, 257774, 328076, 410095, 515548, 644435, 820190, 902209, 1288870, 1640380, 1804418, 2577740, 3608836, 4511045, 9022090, 18044180]

約数ペア:

[(1, 18044180), (2, 9022090), (4, 4511045), (5, 3608836), (7, 2577740), (10, 1804418), (11, 1640380), (14, 1288870), (20, 902209), (22, 820190), (28, 644435), (35, 515548), (44, 410095), (55, 328076), (70, 257774), (77, 234340), (110, 164038), (140, 128887), (154, 117170), (220, 82019), (308, 58585), (385, 46868), (770, 23434), (1540, 11717)]