19643776

素因数分解:

$2^7\times {\mathrm{43}}^2\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 40548060

約数和(自身を除く): 20904284

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 83, 86, 128, 166, 172, 332, 344, 664, 688, 1328, 1376, 1849, 2656, 2752, 3569, 3698, 5312, 5504, 7138, 7396, 10624, 14276, 14792, 28552, 29584, 57104, 59168, 114208, 118336, 153467, 228416, 236672, 306934, 456832, 613868, 1227736, 2455472, 4910944, 9821888, 19643776]

約数ペア:

[(1, 19643776), (2, 9821888), (4, 4910944), (8, 2455472), (16, 1227736), (32, 613868), (43, 456832), (64, 306934), (83, 236672), (86, 228416), (128, 153467), (166, 118336), (172, 114208), (332, 59168), (344, 57104), (664, 29584), (688, 28552), (1328, 14792), (1376, 14276), (1849, 10624), (2656, 7396), (2752, 7138), (3569, 5504), (3698, 5312)]