19767736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 19734344

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 382, 761, 764, 1522, 1528, 3044, 3247, 6088, 6494, 12937, 12988, 25874, 25976, 51748, 103496, 145351, 290702, 581404, 1162808, 2470967, 4941934, 9883868, 19767736]

約数ペア:

[(1, 19767736), (2, 9883868), (4, 4941934), (8, 2470967), (17, 1162808), (34, 581404), (68, 290702), (136, 145351), (191, 103496), (382, 51748), (761, 25976), (764, 25874), (1522, 12988), (1528, 12937), (3044, 6494), (3247, 6088)]