19727830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 37389600

約数和(自身を除く): 17661770

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 1153, 1711, 2306, 3422, 5765, 8555, 11530, 17110, 33437, 66874, 68027, 136054, 167185, 334370, 340135, 680270, 1972783, 3945566, 9863915, 19727830]

約数ペア:

[(1, 19727830), (2, 9863915), (5, 3945566), (10, 1972783), (29, 680270), (58, 340135), (59, 334370), (118, 167185), (145, 136054), (290, 68027), (295, 66874), (590, 33437), (1153, 17110), (1711, 11530), (2306, 8555), (3422, 5765)]