19915620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8971}}^1$

素因数の和:9020

約数の個数: 48

約数和(自身を含む): 57277248

約数和(自身を除く): 37361628

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, 8971, 17942, 26913, 35884, 44855, 53826, 89710, 107652, 134565, 179420, 269130, 331927, 538260, 663854, 995781, 1327708, 1659635, 1991562, 3319270, 3983124, 4978905, 6638540, 9957810, 19915620]

約数ペア:

[(1, 19915620), (2, 9957810), (3, 6638540), (4, 4978905), (5, 3983124), (6, 3319270), (10, 1991562), (12, 1659635), (15, 1327708), (20, 995781), (30, 663854), (37, 538260), (60, 331927), (74, 269130), (111, 179420), (148, 134565), (185, 107652), (222, 89710), (370, 53826), (444, 44855), (555, 35884), (740, 26913), (1110, 17942), (2220, 8971)]