17972162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 31216752

約数和(自身を除く): 13244590

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 557, 949, 1114, 1241, 1898, 2482, 7241, 9469, 14482, 16133, 18938, 32266, 40661, 81322, 123097, 246194, 528593, 691237, 1057186, 1382474, 8986081, 17972162]

約数ペア:

[(1, 17972162), (2, 8986081), (13, 1382474), (17, 1057186), (26, 691237), (34, 528593), (73, 246194), (146, 123097), (221, 81322), (442, 40661), (557, 32266), (949, 18938), (1114, 16133), (1241, 14482), (1898, 9469), (2482, 7241)]