19123555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 26889408

約数和(自身を除く): 7765853

約数列:

[1, 5, 11, 17, 55, 85, 113, 181, 187, 565, 905, 935, 1243, 1921, 1991, 3077, 6215, 9605, 9955, 15385, 20453, 21131, 33847, 102265, 105655, 169235, 224983, 347701, 1124915, 1738505, 3824711, 19123555]

約数ペア:

[(1, 19123555), (5, 3824711), (11, 1738505), (17, 1124915), (55, 347701), (85, 224983), (113, 169235), (181, 105655), (187, 102265), (565, 33847), (905, 21131), (935, 20453), (1243, 15385), (1921, 9955), (1991, 9605), (3077, 6215)]