18139620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8171}}^1$

素因数の和:8220

約数の個数: 48

約数和(自身を含む): 52170048

約数和(自身を除く): 34030428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8171, 16342, 24513, 32684, 40855, 49026, 81710, 98052, 122565, 163420, 245130, 302327, 490260, 604654, 906981, 1209308, 1511635, 1813962, 3023270, 3627924, 4534905, 6046540, 9069810, 18139620]

約数ペア:

[(1, 18139620), (2, 9069810), (3, 6046540), (4, 4534905), (5, 3627924), (6, 3023270), (10, 1813962), (12, 1511635), (15, 1209308), (20, 906981), (30, 604654), (37, 490260), (60, 302327), (74, 245130), (111, 163420), (148, 122565), (185, 98052), (222, 81710), (370, 49026), (444, 40855), (555, 32684), (740, 24513), (1110, 16342), (2220, 8171)]