12018340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 26334000

約数和(自身を除く): 14315660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 149, 185, 218, 298, 370, 436, 545, 596, 740, 745, 1090, 1490, 2180, 2980, 4033, 5513, 8066, 11026, 16132, 16241, 20165, 22052, 27565, 32482, 40330, 55130, 64964, 80660, 81205, 110260, 162410, 324820, 600917, 1201834, 2403668, 3004585, 6009170, 12018340]

約数ペア:

[(1, 12018340), (2, 6009170), (4, 3004585), (5, 2403668), (10, 1201834), (20, 600917), (37, 324820), (74, 162410), (109, 110260), (148, 81205), (149, 80660), (185, 64964), (218, 55130), (298, 40330), (370, 32482), (436, 27565), (545, 22052), (596, 20165), (740, 16241), (745, 16132), (1090, 11026), (1490, 8066), (2180, 5513), (2980, 4033)]