18806157748

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11010631}}^1$

素因数の和:11010703

約数の個数: 24

約数和(自身を含む): 38228914304

約数和(自身を除く): 19422756556

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11010631, 22021262, 44042524, 77074417, 154148834, 308297668, 671648491, 1343296982, 2686593964, 4701539437, 9403078874, 18806157748]

約数ペア:

[(1, 18806157748), (2, 9403078874), (4, 4701539437), (7, 2686593964), (14, 1343296982), (28, 671648491), (61, 308297668), (122, 154148834), (244, 77074417), (427, 44042524), (854, 22021262), (1708, 11010631)]