19323969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2549}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 31089600

約数和(自身を除く): 11765631

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2549, 7581, 7647, 17843, 48431, 53529, 145293, 339017, 920189, 1017051, 2760567, 6441323, 19323969]

約数ペア:

[(1, 19323969), (3, 6441323), (7, 2760567), (19, 1017051), (21, 920189), (57, 339017), (133, 145293), (361, 53529), (399, 48431), (1083, 17843), (2527, 7647), (2549, 7581)]