18611278

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:421

約数の個数: 36

約数和(自身を含む): 34042680

約数和(自身を除く): 15431402

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 359, 529, 718, 1058, 1127, 2254, 2513, 3703, 5026, 7406, 8257, 16514, 17591, 25921, 35182, 51842, 57799, 115598, 189911, 379822, 404593, 809186, 1329377, 2658754, 9305639, 18611278]

約数ペア:

[(1, 18611278), (2, 9305639), (7, 2658754), (14, 1329377), (23, 809186), (46, 404593), (49, 379822), (98, 189911), (161, 115598), (322, 57799), (359, 51842), (529, 35182), (718, 25921), (1058, 17591), (1127, 16514), (2254, 8257), (2513, 7406), (3703, 5026)]