19914688

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 56

約数和(自身を含む): 41989248

約数和(自身を除く): 22074560

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 92, 163, 166, 184, 326, 332, 368, 652, 664, 736, 1304, 1328, 1472, 1909, 2608, 2656, 3749, 3818, 5216, 5312, 7498, 7636, 10432, 13529, 14996, 15272, 27058, 29992, 30544, 54116, 59984, 61088, 108232, 119968, 122176, 216464, 239936, 311167, 432928, 622334, 865856, 1244668, 2489336, 4978672, 9957344, 19914688]

約数ペア:

[(1, 19914688), (2, 9957344), (4, 4978672), (8, 2489336), (16, 1244668), (23, 865856), (32, 622334), (46, 432928), (64, 311167), (83, 239936), (92, 216464), (163, 122176), (166, 119968), (184, 108232), (326, 61088), (332, 59984), (368, 54116), (652, 30544), (664, 29992), (736, 27058), (1304, 15272), (1328, 14996), (1472, 13529), (1909, 10432), (2608, 7636), (2656, 7498), (3749, 5312), (3818, 5216)]