19153862

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19553338

約数列:

[1, 2, 7, 13, 14, 19, 26, 29, 38, 58, 91, 133, 182, 191, 203, 247, 266, 377, 382, 406, 494, 551, 754, 1102, 1337, 1729, 2483, 2639, 2674, 3458, 3629, 3857, 4966, 5278, 5539, 7163, 7258, 7714, 11078, 14326, 17381, 25403, 34762, 38773, 47177, 50141, 50806, 72007, 77546, 94354, 100282, 105241, 144014, 210482, 330239, 504049, 660478, 736687, 1008098, 1368133, 1473374, 2736266, 9576931, 19153862]

約数ペア:

[(1, 19153862), (2, 9576931), (7, 2736266), (13, 1473374), (14, 1368133), (19, 1008098), (26, 736687), (29, 660478), (38, 504049), (58, 330239), (91, 210482), (133, 144014), (182, 105241), (191, 100282), (203, 94354), (247, 77546), (266, 72007), (377, 50806), (382, 50141), (406, 47177), (494, 38773), (551, 34762), (754, 25403), (1102, 17381), (1337, 14326), (1729, 11078), (2483, 7714), (2639, 7258), (2674, 7163), (3458, 5539), (3629, 5278), (3857, 4966)]