19010196

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31440204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 131, 139, 174, 261, 262, 278, 348, 393, 417, 522, 524, 556, 786, 834, 1044, 1179, 1251, 1572, 1668, 2358, 2502, 3799, 4031, 4716, 5004, 7598, 8062, 11397, 12093, 15196, 16124, 18209, 22794, 24186, 34191, 36279, 36418, 45588, 48372, 54627, 68382, 72558, 72836, 109254, 136764, 145116, 163881, 218508, 327762, 528061, 655524, 1056122, 1584183, 2112244, 3168366, 4752549, 6336732, 9505098, 19010196]

約数ペア:

[(1, 19010196), (2, 9505098), (3, 6336732), (4, 4752549), (6, 3168366), (9, 2112244), (12, 1584183), (18, 1056122), (29, 655524), (36, 528061), (58, 327762), (87, 218508), (116, 163881), (131, 145116), (139, 136764), (174, 109254), (261, 72836), (262, 72558), (278, 68382), (348, 54627), (393, 48372), (417, 45588), (522, 36418), (524, 36279), (556, 34191), (786, 24186), (834, 22794), (1044, 18209), (1179, 16124), (1251, 15196), (1572, 12093), (1668, 11397), (2358, 8062), (2502, 7598), (3799, 5004), (4031, 4716)]