19002017386

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{777433}}^1$

素因数の和:777558

約数の個数: 24

約数和(自身を含む): 31640008932

約数和(自身を除く): 12637991546

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 12221, 24442, 777433, 1554866, 8551763, 17103526, 78520733, 94069393, 157041466, 188138786, 863728063, 1727456126, 9501008693, 19002017386]

約数ペア:

[(1, 19002017386), (2, 9501008693), (11, 1727456126), (22, 863728063), (101, 188138786), (121, 157041466), (202, 94069393), (242, 78520733), (1111, 17103526), (2222, 8551763), (12221, 1554866), (24442, 777433)]