18823072

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20761088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 83, 152, 166, 304, 332, 373, 608, 664, 746, 1328, 1492, 1577, 2656, 2984, 3154, 5968, 6308, 7087, 11936, 12616, 14174, 25232, 28348, 30959, 50464, 56696, 61918, 113392, 123836, 226784, 247672, 495344, 588221, 990688, 1176442, 2352884, 4705768, 9411536, 18823072]

約数ペア:

[(1, 18823072), (2, 9411536), (4, 4705768), (8, 2352884), (16, 1176442), (19, 990688), (32, 588221), (38, 495344), (76, 247672), (83, 226784), (152, 123836), (166, 113392), (304, 61918), (332, 56696), (373, 50464), (608, 30959), (664, 28348), (746, 25232), (1328, 14174), (1492, 12616), (1577, 11936), (2656, 7087), (2984, 6308), (3154, 5968)]