18963812

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16519}}^1$

素因数の和:16571

約数の個数: 24

約数和(自身を含む): 38855040

約数和(自身を除く): 19891228

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16519, 33038, 66076, 115633, 231266, 462532, 677279, 1354558, 2709116, 4740953, 9481906, 18963812]

約数ペア:

[(1, 18963812), (2, 9481906), (4, 4740953), (7, 2709116), (14, 1354558), (28, 677279), (41, 462532), (82, 231266), (164, 115633), (287, 66076), (574, 33038), (1148, 16519)]