18568784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89273}}^1$

素因数の和:89294

約数の個数: 20

約数和(自身を含む): 38744916

約数和(自身を除く): 20176132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89273, 178546, 357092, 714184, 1160549, 1428368, 2321098, 4642196, 9284392, 18568784]

約数ペア:

[(1, 18568784), (2, 9284392), (4, 4642196), (8, 2321098), (13, 1428368), (16, 1160549), (26, 714184), (52, 357092), (104, 178546), (208, 89273)]