19882473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9619}}^1$

素因数の和:9688

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 9208407

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9619, 28857, 125047, 375141, 509807, 1529421, 6627491, 19882473]

約数ペア:

[(1, 19882473), (3, 6627491), (13, 1529421), (39, 509807), (53, 375141), (159, 125047), (689, 28857), (2067, 9619)]