19850248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 20999672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1181, 1528, 2101, 2362, 4202, 4724, 8404, 9448, 12991, 16808, 25982, 51964, 103928, 225571, 451142, 902284, 1804568, 2481281, 4962562, 9925124, 19850248]

約数ペア:

[(1, 19850248), (2, 9925124), (4, 4962562), (8, 2481281), (11, 1804568), (22, 902284), (44, 451142), (88, 225571), (191, 103928), (382, 51964), (764, 25982), (1181, 16808), (1528, 12991), (2101, 9448), (2362, 8404), (4202, 4724)]