18804538431

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15709723}}^1$

素因数の和:15709755

約数の個数: 24

約数和(自身を含む): 32676225920

約数和(自身を除く): 13871687489

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15709723, 47129169, 109968061, 141387507, 298484737, 329904183, 895454211, 989712549, 2089393159, 2686362633, 6268179477, 18804538431]

約数ペア:

[(1, 18804538431), (3, 6268179477), (7, 2686362633), (9, 2089393159), (19, 989712549), (21, 895454211), (57, 329904183), (63, 298484737), (133, 141387507), (171, 109968061), (399, 47129169), (1197, 15709723)]