19431872

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 56

約数和(自身を含む): 41306496

約数和(自身を除く): 21874624

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 172, 184, 307, 344, 368, 614, 688, 736, 989, 1228, 1376, 1472, 1978, 2456, 2752, 3956, 4912, 7061, 7912, 9824, 13201, 14122, 15824, 19648, 26402, 28244, 31648, 52804, 56488, 63296, 105608, 112976, 211216, 225952, 303623, 422432, 451904, 607246, 844864, 1214492, 2428984, 4857968, 9715936, 19431872]

約数ペア:

[(1, 19431872), (2, 9715936), (4, 4857968), (8, 2428984), (16, 1214492), (23, 844864), (32, 607246), (43, 451904), (46, 422432), (64, 303623), (86, 225952), (92, 211216), (172, 112976), (184, 105608), (307, 63296), (344, 56488), (368, 52804), (614, 31648), (688, 28244), (736, 26402), (989, 19648), (1228, 15824), (1376, 14122), (1472, 13201), (1978, 9824), (2456, 7912), (2752, 7061), (3956, 4912)]