20181615516

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1924

約数の個数: 144

約数和(自身を含む): 53641879200

約数和(自身を除く): 33460263684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 149, 183, 222, 244, 298, 333, 366, 444, 447, 549, 596, 666, 732, 894, 1098, 1332, 1341, 1667, 1788, 2196, 2257, 2682, 3334, 4514, 5001, 5364, 5513, 6668, 6771, 9028, 9089, 10002, 11026, 13542, 15003, 16539, 18178, 20004, 20313, 22052, 27084, 27267, 30006, 33078, 36356, 40626, 49617, 54534, 60012, 61679, 66156, 81252, 81801, 99234, 101687, 109068, 123358, 163602, 185037, 198468, 203374, 246716, 248383, 305061, 327204, 336293, 370074, 406748, 496766, 555111, 610122, 672586, 740148, 745149, 915183, 993532, 1008879, 1110222, 1220244, 1345172, 1490298, 1830366, 2017758, 2220444, 2235447, 2980596, 3026637, 3660732, 3762419, 4035516, 4470894, 6053274, 7524838, 8941788, 9190171, 11287257, 12106548, 15049676, 15151363, 18380342, 22574514, 27570513, 30302726, 33861771, 36760684, 45149028, 45454089, 55141026, 60605452, 67723542, 82711539, 90908178, 110282052, 135447084, 136362267, 165423078, 181816356, 272724534, 330846156, 545449068, 560600431, 1121200862, 1681801293, 2242401724, 3363602586, 5045403879, 6727205172, 10090807758, 20181615516]

約数ペア:

[(1, 20181615516), (2, 10090807758), (3, 6727205172), (4, 5045403879), (6, 3363602586), (9, 2242401724), (12, 1681801293), (18, 1121200862), (36, 560600431), (37, 545449068), (61, 330846156), (74, 272724534), (111, 181816356), (122, 165423078), (148, 136362267), (149, 135447084), (183, 110282052), (222, 90908178), (244, 82711539), (298, 67723542), (333, 60605452), (366, 55141026), (444, 45454089), (447, 45149028), (549, 36760684), (596, 33861771), (666, 30302726), (732, 27570513), (894, 22574514), (1098, 18380342), (1332, 15151363), (1341, 15049676), (1667, 12106548), (1788, 11287257), (2196, 9190171), (2257, 8941788), (2682, 7524838), (3334, 6053274), (4514, 4470894), (5001, 4035516), (5364, 3762419), (5513, 3660732), (6668, 3026637), (6771, 2980596), (9028, 2235447), (9089, 2220444), (10002, 2017758), (11026, 1830366), (13542, 1490298), (15003, 1345172), (16539, 1220244), (18178, 1110222), (20004, 1008879), (20313, 993532), (22052, 915183), (27084, 745149), (27267, 740148), (30006, 672586), (33078, 610122), (36356, 555111), (40626, 496766), (49617, 406748), (54534, 370074), (60012, 336293), (61679, 327204), (66156, 305061), (81252, 248383), (81801, 246716), (99234, 203374), (101687, 198468), (109068, 185037), (123358, 163602)]