18504464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2303

約数の個数: 40

約数和(自身を含む): 39961728

約数和(自身を除く): 21457264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2237, 4136, 4474, 8272, 8948, 17896, 24607, 35792, 49214, 98428, 105139, 196856, 210278, 393712, 420556, 841112, 1156529, 1682224, 2313058, 4626116, 9252232, 18504464]

約数ペア:

[(1, 18504464), (2, 9252232), (4, 4626116), (8, 2313058), (11, 1682224), (16, 1156529), (22, 841112), (44, 420556), (47, 393712), (88, 210278), (94, 196856), (176, 105139), (188, 98428), (376, 49214), (517, 35792), (752, 24607), (1034, 17896), (2068, 8948), (2237, 8272), (4136, 4474)]