19860764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64483}}^1$

素因数の和:64505

約数の個数: 24

約数和(自身を含む): 43333248

約数和(自身を除く): 23472484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64483, 128966, 257932, 451381, 709313, 902762, 1418626, 1805524, 2837252, 4965191, 9930382, 19860764]

約数ペア:

[(1, 19860764), (2, 9930382), (4, 4965191), (7, 2837252), (11, 1805524), (14, 1418626), (22, 902762), (28, 709313), (44, 451381), (77, 257932), (154, 128966), (308, 64483)]