19251396

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 50832600

約数和(自身を除く): 31581204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 97, 111, 148, 149, 194, 222, 291, 298, 333, 388, 444, 447, 582, 596, 666, 873, 894, 1164, 1332, 1341, 1746, 1788, 2682, 3492, 3589, 5364, 5513, 7178, 10767, 11026, 14356, 14453, 16539, 21534, 22052, 28906, 32301, 33078, 43068, 43359, 49617, 57812, 64602, 66156, 86718, 99234, 129204, 130077, 173436, 198468, 260154, 520308, 534761, 1069522, 1604283, 2139044, 3208566, 4812849, 6417132, 9625698, 19251396]

約数ペア:

[(1, 19251396), (2, 9625698), (3, 6417132), (4, 4812849), (6, 3208566), (9, 2139044), (12, 1604283), (18, 1069522), (36, 534761), (37, 520308), (74, 260154), (97, 198468), (111, 173436), (148, 130077), (149, 129204), (194, 99234), (222, 86718), (291, 66156), (298, 64602), (333, 57812), (388, 49617), (444, 43359), (447, 43068), (582, 33078), (596, 32301), (666, 28906), (873, 22052), (894, 21534), (1164, 16539), (1332, 14453), (1341, 14356), (1746, 11026), (1788, 10767), (2682, 7178), (3492, 5513), (3589, 5364)]