18490384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3439

約数の個数: 40

約数和(自身を含む): 40354560

約数和(自身を除く): 21864176

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3389, 5456, 6778, 13556, 27112, 37279, 54224, 74558, 105059, 149116, 210118, 298232, 420236, 596464, 840472, 1155649, 1680944, 2311298, 4622596, 9245192, 18490384]

約数ペア:

[(1, 18490384), (2, 9245192), (4, 4622596), (8, 2311298), (11, 1680944), (16, 1155649), (22, 840472), (31, 596464), (44, 420236), (62, 298232), (88, 210118), (124, 149116), (176, 105059), (248, 74558), (341, 54224), (496, 37279), (682, 27112), (1364, 13556), (2728, 6778), (3389, 5456)]