19976512

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 42501312

約数和(自身を除く): 22524800

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 164, 184, 328, 331, 368, 656, 662, 736, 943, 1312, 1324, 1472, 1886, 2624, 2648, 3772, 5296, 7544, 7613, 10592, 13571, 15088, 15226, 21184, 27142, 30176, 30452, 54284, 60352, 60904, 108568, 121808, 217136, 243616, 312133, 434272, 487232, 624266, 868544, 1248532, 2497064, 4994128, 9988256, 19976512]

約数ペア:

[(1, 19976512), (2, 9988256), (4, 4994128), (8, 2497064), (16, 1248532), (23, 868544), (32, 624266), (41, 487232), (46, 434272), (64, 312133), (82, 243616), (92, 217136), (164, 121808), (184, 108568), (328, 60904), (331, 60352), (368, 54284), (656, 30452), (662, 30176), (736, 27142), (943, 21184), (1312, 15226), (1324, 15088), (1472, 13571), (1886, 10592), (2624, 7613), (2648, 7544), (3772, 5296)]