19663616

素因数分解:

$2^8\times 7^1\times {\mathrm{10973}}^1$

素因数の和:10996

約数の個数: 36

約数和(自身を含む): 44861712

約数和(自身を除く): 25198096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10973, 21946, 43892, 76811, 87784, 153622, 175568, 307244, 351136, 614488, 702272, 1228976, 1404544, 2457952, 2809088, 4915904, 9831808, 19663616]

約数ペア:

[(1, 19663616), (2, 9831808), (4, 4915904), (7, 2809088), (8, 2457952), (14, 1404544), (16, 1228976), (28, 702272), (32, 614488), (56, 351136), (64, 307244), (112, 175568), (128, 153622), (224, 87784), (256, 76811), (448, 43892), (896, 21946), (1792, 10973)]