18746686

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2089}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 32202720

約数和(自身を除く): 13456034

約数列:

[1, 2, 7, 14, 641, 1282, 2089, 4178, 4487, 8974, 14623, 29246, 1339049, 2678098, 9373343, 18746686]

約数ペア:

[(1, 18746686), (2, 9373343), (7, 2678098), (14, 1339049), (641, 29246), (1282, 14623), (2089, 8974), (4178, 4487)]