19846156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1987}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 38074176

約数和(自身を除く): 18228020

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1987, 2497, 3974, 4994, 7948, 9988, 21857, 43714, 87428, 451049, 902098, 1804196, 4961539, 9923078, 19846156]

約数ペア:

[(1, 19846156), (2, 9923078), (4, 4961539), (11, 1804196), (22, 902098), (44, 451049), (227, 87428), (454, 43714), (908, 21857), (1987, 9988), (2497, 7948), (3974, 4994)]