18809301925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1\times {\mathrm{1901}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 25539508224

約数和(自身を除く): 6730206299

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 751, 775, 1901, 2635, 3755, 9505, 12767, 13175, 18775, 23281, 32317, 47525, 58931, 63835, 116405, 161585, 294655, 319175, 395777, 582025, 807925, 1001827, 1427651, 1473275, 1978885, 5009135, 7138255, 9894425, 24270067, 25045675, 35691275, 44257181, 121350335, 221285905, 606751675, 752372077, 1106429525, 3761860385, 18809301925]

約数ペア:

[(1, 18809301925), (5, 3761860385), (17, 1106429525), (25, 752372077), (31, 606751675), (85, 221285905), (155, 121350335), (425, 44257181), (527, 35691275), (751, 25045675), (775, 24270067), (1901, 9894425), (2635, 7138255), (3755, 5009135), (9505, 1978885), (12767, 1473275), (13175, 1427651), (18775, 1001827), (23281, 807925), (32317, 582025), (47525, 395777), (58931, 319175), (63835, 294655), (116405, 161585)]