18951296

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 46495680

約数和(自身を除く): 27544384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1627, 1664, 2912, 3254, 5824, 6508, 11389, 11648, 13016, 21151, 22778, 26032, 42302, 45556, 52064, 84604, 91112, 104128, 148057, 169208, 182224, 208256, 296114, 338416, 364448, 592228, 676832, 728896, 1184456, 1353664, 1457792, 2368912, 2707328, 4737824, 9475648, 18951296]

約数ペア:

[(1, 18951296), (2, 9475648), (4, 4737824), (7, 2707328), (8, 2368912), (13, 1457792), (14, 1353664), (16, 1184456), (26, 728896), (28, 676832), (32, 592228), (52, 364448), (56, 338416), (64, 296114), (91, 208256), (104, 182224), (112, 169208), (128, 148057), (182, 104128), (208, 91112), (224, 84604), (364, 52064), (416, 45556), (448, 42302), (728, 26032), (832, 22778), (896, 21151), (1456, 13016), (1627, 11648), (1664, 11389), (2912, 6508), (3254, 5824)]