18904172

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 40427520

約数和(自身を除く): 21523348

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 751, 812, 868, 899, 1502, 1798, 3004, 3596, 5257, 6293, 10514, 12586, 21028, 21779, 23281, 25172, 43558, 46562, 87116, 93124, 152453, 162967, 304906, 325934, 609812, 651868, 675149, 1350298, 2700596, 4726043, 9452086, 18904172]

約数ペア:

[(1, 18904172), (2, 9452086), (4, 4726043), (7, 2700596), (14, 1350298), (28, 675149), (29, 651868), (31, 609812), (58, 325934), (62, 304906), (116, 162967), (124, 152453), (203, 93124), (217, 87116), (406, 46562), (434, 43558), (751, 25172), (812, 23281), (868, 21779), (899, 21028), (1502, 12586), (1798, 10514), (3004, 6293), (3596, 5257)]