19856349

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 30430400

約数和(自身を除く): 10574051

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 769, 1359, 2307, 2869, 6921, 8607, 14611, 25821, 43833, 116119, 131499, 348357, 1045071, 2206261, 6618783, 19856349]

約数ペア:

[(1, 19856349), (3, 6618783), (9, 2206261), (19, 1045071), (57, 348357), (151, 131499), (171, 116119), (453, 43833), (769, 25821), (1359, 14611), (2307, 8607), (2869, 6921)]