18388664658

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{6917}}^1$

素因数の和:7489

約数の個数: 128

約数和(自身を含む): 50394032640

約数和(自身を除く): 32005367982

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 541, 546, 702, 819, 1082, 1623, 1638, 2457, 3246, 3787, 4869, 4914, 6917, 7033, 7574, 9738, 11361, 13834, 14066, 14607, 20751, 21099, 22722, 29214, 34083, 41502, 42198, 48419, 49231, 62253, 63297, 68166, 89921, 96838, 98462, 102249, 124506, 126594, 145257, 147693, 179842, 186759, 189891, 204498, 269763, 290514, 295386, 373518, 379782, 435771, 443079, 539526, 629447, 809289, 871542, 886158, 1258894, 1307313, 1329237, 1618578, 1888341, 2427867, 2614626, 2658474, 3742097, 3776682, 4855734, 5665023, 7484194, 11226291, 11330046, 16995069, 22452582, 26194679, 33678873, 33990138, 48647261, 52389358, 67357746, 78584037, 97294522, 101036619, 145941783, 157168074, 202073238, 235752111, 291883566, 340530827, 437825349, 471504222, 681061654, 707256333, 875650698, 1021592481, 1313476047, 1414512666, 2043184962, 2626952094, 3064777443, 6129554886, 9194332329, 18388664658]

約数ペア:

[(1, 18388664658), (2, 9194332329), (3, 6129554886), (6, 3064777443), (7, 2626952094), (9, 2043184962), (13, 1414512666), (14, 1313476047), (18, 1021592481), (21, 875650698), (26, 707256333), (27, 681061654), (39, 471504222), (42, 437825349), (54, 340530827), (63, 291883566), (78, 235752111), (91, 202073238), (117, 157168074), (126, 145941783), (182, 101036619), (189, 97294522), (234, 78584037), (273, 67357746), (351, 52389358), (378, 48647261), (541, 33990138), (546, 33678873), (702, 26194679), (819, 22452582), (1082, 16995069), (1623, 11330046), (1638, 11226291), (2457, 7484194), (3246, 5665023), (3787, 4855734), (4869, 3776682), (4914, 3742097), (6917, 2658474), (7033, 2614626), (7574, 2427867), (9738, 1888341), (11361, 1618578), (13834, 1329237), (14066, 1307313), (14607, 1258894), (20751, 886158), (21099, 871542), (22722, 809289), (29214, 629447), (34083, 539526), (41502, 443079), (42198, 435771), (48419, 379782), (49231, 373518), (62253, 295386), (63297, 290514), (68166, 269763), (89921, 204498), (96838, 189891), (98462, 186759), (102249, 179842), (124506, 147693), (126594, 145257)]