18615904

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 38187072

約数和(自身を除く): 19571168

約数列:

[1, 2, 4, 8, 16, 32, 43, 83, 86, 163, 166, 172, 326, 332, 344, 652, 664, 688, 1304, 1328, 1376, 2608, 2656, 3569, 5216, 7009, 7138, 13529, 14018, 14276, 27058, 28036, 28552, 54116, 56072, 57104, 108232, 112144, 114208, 216464, 224288, 432928, 581747, 1163494, 2326988, 4653976, 9307952, 18615904]

約数ペア:

[(1, 18615904), (2, 9307952), (4, 4653976), (8, 2326988), (16, 1163494), (32, 581747), (43, 432928), (83, 224288), (86, 216464), (163, 114208), (166, 112144), (172, 108232), (326, 57104), (332, 56072), (344, 54116), (652, 28552), (664, 28036), (688, 27058), (1304, 14276), (1328, 14018), (1376, 13529), (2608, 7138), (2656, 7009), (3569, 5216)]