19038901

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1249

約数の個数: 16

約数和(自身を含む): 22694400

約数和(自身を除く): 3655499

約数列:

[1, 7, 47, 49, 329, 343, 1181, 2303, 8267, 16121, 55507, 57869, 388549, 405083, 2719843, 19038901]

約数ペア:

[(1, 19038901), (7, 2719843), (47, 405083), (49, 388549), (329, 57869), (343, 55507), (1181, 16121), (2303, 8267)]