19410875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 27855360

約数和(自身を除く): 8444485

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 743, 1045, 1375, 2375, 3715, 5225, 8173, 14117, 18575, 26125, 40865, 70585, 92875, 155287, 204325, 352925, 776435, 1021625, 1764625, 3882175, 19410875]

約数ペア:

[(1, 19410875), (5, 3882175), (11, 1764625), (19, 1021625), (25, 776435), (55, 352925), (95, 204325), (125, 155287), (209, 92875), (275, 70585), (475, 40865), (743, 26125), (1045, 18575), (1375, 14117), (2375, 8173), (3715, 5225)]