18685108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20264012

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 919, 1196, 1564, 1838, 3676, 5083, 10166, 11947, 15623, 20332, 21137, 23894, 31246, 42274, 47788, 62492, 84548, 203099, 274781, 359329, 406198, 549562, 718658, 812396, 1099124, 1437316, 4671277, 9342554, 18685108]

約数ペア:

[(1, 18685108), (2, 9342554), (4, 4671277), (13, 1437316), (17, 1099124), (23, 812396), (26, 718658), (34, 549562), (46, 406198), (52, 359329), (68, 274781), (92, 203099), (221, 84548), (299, 62492), (391, 47788), (442, 42274), (598, 31246), (782, 23894), (884, 21137), (919, 20332), (1196, 15623), (1564, 11947), (1838, 10166), (3676, 5083)]