1981936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{11261}}^1$

素因数の和:11280

約数の個数: 20

約数和(自身を含む): 4189464

約数和(自身を除く): 2207528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 11261, 22522, 45044, 90088, 123871, 180176, 247742, 495484, 990968, 1981936]

約数ペア:

[(1, 1981936), (2, 990968), (4, 495484), (8, 247742), (11, 180176), (16, 123871), (22, 90088), (44, 45044), (88, 22522), (176, 11261)]