18174590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 39398400

約数和(自身を除く): 21223810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1279, 1421, 2030, 2558, 2842, 6395, 7105, 8953, 12790, 14210, 17906, 37091, 44765, 62671, 74182, 89530, 125342, 185455, 259637, 313355, 370910, 519274, 626710, 1298185, 1817459, 2596370, 3634918, 9087295, 18174590]

約数ペア:

[(1, 18174590), (2, 9087295), (5, 3634918), (7, 2596370), (10, 1817459), (14, 1298185), (29, 626710), (35, 519274), (49, 370910), (58, 313355), (70, 259637), (98, 185455), (145, 125342), (203, 89530), (245, 74182), (290, 62671), (406, 44765), (490, 37091), (1015, 17906), (1279, 14210), (1421, 12790), (2030, 8953), (2558, 7105), (2842, 6395)]