18263409995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{3329}}^1$

素因数の和:3492

約数の個数: 64

約数和(自身を含む): 25318656000

約数和(自身を除く): 7055246005

約数列:

[1, 5, 17, 19, 43, 79, 85, 95, 215, 323, 395, 731, 817, 1343, 1501, 1615, 3329, 3397, 3655, 4085, 6715, 7505, 13889, 16645, 16985, 25517, 56593, 57749, 63251, 64543, 69445, 127585, 143147, 262991, 282965, 288745, 316255, 322715, 715735, 1075267, 1097231, 1314955, 2433499, 2719793, 4470847, 4996829, 5376335, 5486155, 11308613, 12167495, 13598965, 22354235, 24984145, 46236481, 56543065, 84946093, 192246421, 214863647, 231182405, 424730465, 961232105, 1074318235, 3652681999, 18263409995]

約数ペア:

[(1, 18263409995), (5, 3652681999), (17, 1074318235), (19, 961232105), (43, 424730465), (79, 231182405), (85, 214863647), (95, 192246421), (215, 84946093), (323, 56543065), (395, 46236481), (731, 24984145), (817, 22354235), (1343, 13598965), (1501, 12167495), (1615, 11308613), (3329, 5486155), (3397, 5376335), (3655, 4996829), (4085, 4470847), (6715, 2719793), (7505, 2433499), (13889, 1314955), (16645, 1097231), (16985, 1075267), (25517, 715735), (56593, 322715), (57749, 316255), (63251, 288745), (64543, 282965), (69445, 262991), (127585, 143147)]