19994623220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{48889}}^1$

素因数の和:48946

約数の個数: 108

約数和(自身を含む): 49977215820

約数和(自身を除く): 29982592600

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 169, 220, 242, 260, 286, 338, 484, 572, 605, 676, 715, 845, 1210, 1430, 1573, 1690, 1859, 2420, 2860, 3146, 3380, 3718, 6292, 7436, 7865, 9295, 15730, 18590, 20449, 31460, 37180, 40898, 48889, 81796, 97778, 102245, 195556, 204490, 244445, 408980, 488890, 537779, 635557, 977780, 1075558, 1271114, 2151116, 2542228, 2688895, 3177785, 5377790, 5915569, 6355570, 6991127, 8262241, 10755580, 11831138, 12711140, 13982254, 16524482, 23662276, 27964508, 29577845, 33048964, 34955635, 41311205, 59155690, 69911270, 76902397, 82622410, 90884651, 118311380, 139822540, 153804794, 165244820, 181769302, 307609588, 363538604, 384511985, 454423255, 769023970, 908846510, 999731161, 1538047940, 1817693020, 1999462322, 3998924644, 4998655805, 9997311610, 19994623220]

約数ペア:

[(1, 19994623220), (2, 9997311610), (4, 4998655805), (5, 3998924644), (10, 1999462322), (11, 1817693020), (13, 1538047940), (20, 999731161), (22, 908846510), (26, 769023970), (44, 454423255), (52, 384511985), (55, 363538604), (65, 307609588), (110, 181769302), (121, 165244820), (130, 153804794), (143, 139822540), (169, 118311380), (220, 90884651), (242, 82622410), (260, 76902397), (286, 69911270), (338, 59155690), (484, 41311205), (572, 34955635), (605, 33048964), (676, 29577845), (715, 27964508), (845, 23662276), (1210, 16524482), (1430, 13982254), (1573, 12711140), (1690, 11831138), (1859, 10755580), (2420, 8262241), (2860, 6991127), (3146, 6355570), (3380, 5915569), (3718, 5377790), (6292, 3177785), (7436, 2688895), (7865, 2542228), (9295, 2151116), (15730, 1271114), (18590, 1075558), (20449, 977780), (31460, 635557), (37180, 537779), (40898, 488890), (48889, 408980), (81796, 244445), (97778, 204490), (102245, 195556)]