19947792

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2647}}^1$

素因数の和:2815

約数の個数: 40

約数和(自身を含む): 51879616

約数和(自身を除く): 31931824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2647, 3768, 5294, 7536, 7941, 10588, 15882, 21176, 31764, 42352, 63528, 127056, 415579, 831158, 1246737, 1662316, 2493474, 3324632, 4986948, 6649264, 9973896, 19947792]

約数ペア:

[(1, 19947792), (2, 9973896), (3, 6649264), (4, 4986948), (6, 3324632), (8, 2493474), (12, 1662316), (16, 1246737), (24, 831158), (48, 415579), (157, 127056), (314, 63528), (471, 42352), (628, 31764), (942, 21176), (1256, 15882), (1884, 10588), (2512, 7941), (2647, 7536), (3768, 5294)]