18361481985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{1549}}^1$

素因数の和:1900

約数の個数: 144

約数和(自身を含む): 40134931200

約数和(自身を除く): 21773449215

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 311, 315, 363, 385, 495, 605, 693, 847, 933, 1089, 1155, 1549, 1555, 1815, 2177, 2541, 2799, 3421, 3465, 4235, 4647, 4665, 5445, 6531, 7623, 7745, 10263, 10843, 10885, 12705, 13941, 13995, 17039, 17105, 19593, 23235, 23947, 30789, 32529, 32655, 37631, 38115, 51117, 51315, 54215, 69705, 71841, 85195, 97587, 97965, 112893, 119273, 119735, 153351, 153945, 162645, 187429, 188155, 215523, 255585, 263417, 338679, 357819, 359205, 481739, 487935, 562287, 564465, 596365, 766755, 790251, 937145, 1073457, 1077615, 1312003, 1317085, 1445217, 1686861, 1693395, 1789095, 2370753, 2408695, 2811435, 3372173, 3936009, 3951255, 4335651, 5299129, 5367285, 6560015, 7226085, 8434305, 10116519, 11808027, 11853765, 15897387, 16860865, 19680045, 21678255, 26495645, 30349557, 37093903, 47692161, 50582595, 58290419, 59040135, 79486935, 111281709, 151747785, 174871257, 185469515, 238460805, 291452095, 333845127, 408032933, 524613771, 556408545, 874356285, 1224098799, 1669225635, 2040164665, 2623068855, 3672296397, 6120493995, 18361481985]

約数ペア:

[(1, 18361481985), (3, 6120493995), (5, 3672296397), (7, 2623068855), (9, 2040164665), (11, 1669225635), (15, 1224098799), (21, 874356285), (33, 556408545), (35, 524613771), (45, 408032933), (55, 333845127), (63, 291452095), (77, 238460805), (99, 185469515), (105, 174871257), (121, 151747785), (165, 111281709), (231, 79486935), (311, 59040135), (315, 58290419), (363, 50582595), (385, 47692161), (495, 37093903), (605, 30349557), (693, 26495645), (847, 21678255), (933, 19680045), (1089, 16860865), (1155, 15897387), (1549, 11853765), (1555, 11808027), (1815, 10116519), (2177, 8434305), (2541, 7226085), (2799, 6560015), (3421, 5367285), (3465, 5299129), (4235, 4335651), (4647, 3951255), (4665, 3936009), (5445, 3372173), (6531, 2811435), (7623, 2408695), (7745, 2370753), (10263, 1789095), (10843, 1693395), (10885, 1686861), (12705, 1445217), (13941, 1317085), (13995, 1312003), (17039, 1077615), (17105, 1073457), (19593, 937145), (23235, 790251), (23947, 766755), (30789, 596365), (32529, 564465), (32655, 562287), (37631, 487935), (38115, 481739), (51117, 359205), (51315, 357819), (54215, 338679), (69705, 263417), (71841, 255585), (85195, 215523), (97587, 188155), (97965, 187429), (112893, 162645), (119273, 153945), (119735, 153351)]