19007443

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 24303888

約数和(自身を除く): 5296445

約数列:

[1, 7, 13, 49, 53, 91, 371, 563, 637, 689, 2597, 3941, 4823, 7319, 27587, 29839, 33761, 51233, 208873, 358631, 387907, 1462111, 2715349, 19007443]

約数ペア:

[(1, 19007443), (7, 2715349), (13, 1462111), (49, 387907), (53, 358631), (91, 208873), (371, 51233), (563, 33761), (637, 29839), (689, 27587), (2597, 7319), (3941, 4823)]