1909804910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{15287}}^1$

素因数の和:15369

約数の個数: 48

約数和(自身を含む): 3825607968

約数和(自身を除く): 1915803058

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 4030, 4805, 9610, 12493, 15287, 24986, 30574, 62465, 76435, 124930, 152870, 198731, 397462, 473897, 947794, 993655, 1987310, 2369485, 4738970, 6160661, 12321322, 14690807, 29381614, 30803305, 61606610, 73454035, 146908070, 190980491, 381960982, 954902455, 1909804910]

約数ペア:

[(1, 1909804910), (2, 954902455), (5, 381960982), (10, 190980491), (13, 146908070), (26, 73454035), (31, 61606610), (62, 30803305), (65, 29381614), (130, 14690807), (155, 12321322), (310, 6160661), (403, 4738970), (806, 2369485), (961, 1987310), (1922, 993655), (2015, 947794), (4030, 473897), (4805, 397462), (9610, 198731), (12493, 152870), (15287, 124930), (24986, 76435), (30574, 62465)]