19890456

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11353}}^1$

素因数の和:11435

約数の個数: 32

約数和(自身を含む): 50411760

約数和(自身を除く): 30521304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11353, 22706, 34059, 45412, 68118, 90824, 136236, 272472, 828769, 1657538, 2486307, 3315076, 4972614, 6630152, 9945228, 19890456]

約数ペア:

[(1, 19890456), (2, 9945228), (3, 6630152), (4, 4972614), (6, 3315076), (8, 2486307), (12, 1657538), (24, 828769), (73, 272472), (146, 136236), (219, 90824), (292, 68118), (438, 45412), (584, 34059), (876, 22706), (1752, 11353)]