17974912

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 37890450

約数和(自身を除く): 19915538

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 361, 389, 608, 722, 778, 1216, 1444, 1556, 2432, 2888, 3112, 5776, 6224, 7391, 11552, 12448, 14782, 23104, 24896, 29564, 46208, 49792, 59128, 118256, 140429, 236512, 280858, 473024, 561716, 946048, 1123432, 2246864, 4493728, 8987456, 17974912]

約数ペア:

[(1, 17974912), (2, 8987456), (4, 4493728), (8, 2246864), (16, 1123432), (19, 946048), (32, 561716), (38, 473024), (64, 280858), (76, 236512), (128, 140429), (152, 118256), (304, 59128), (361, 49792), (389, 46208), (608, 29564), (722, 24896), (778, 23104), (1216, 14782), (1444, 12448), (1556, 11552), (2432, 7391), (2888, 6224), (3112, 5776)]