18332020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3539}}^1$

素因数の和:3592

約数の個数: 48

約数和(自身を含む): 45198720

約数和(自身を除く): 26866700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3539, 5180, 7078, 14156, 17695, 24773, 35390, 49546, 70780, 99092, 123865, 130943, 247730, 261886, 495460, 523772, 654715, 916601, 1309430, 1833202, 2618860, 3666404, 4583005, 9166010, 18332020]

約数ペア:

[(1, 18332020), (2, 9166010), (4, 4583005), (5, 3666404), (7, 2618860), (10, 1833202), (14, 1309430), (20, 916601), (28, 654715), (35, 523772), (37, 495460), (70, 261886), (74, 247730), (140, 130943), (148, 123865), (185, 99092), (259, 70780), (370, 49546), (518, 35390), (740, 24773), (1036, 17695), (1295, 14156), (2590, 7078), (3539, 5180)]