18738556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1153}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 34896960

約数和(自身を除く): 16158404

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 1153, 2306, 4063, 4612, 8126, 16252, 19601, 39202, 78404, 275567, 551134, 1102268, 4684639, 9369278, 18738556]

約数ペア:

[(1, 18738556), (2, 9369278), (4, 4684639), (17, 1102268), (34, 551134), (68, 275567), (239, 78404), (478, 39202), (956, 19601), (1153, 16252), (2306, 8126), (4063, 4612)]