18734212

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16319}}^1$

素因数の和:16371

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 19650428

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16319, 32638, 65276, 114233, 228466, 456932, 669079, 1338158, 2676316, 4683553, 9367106, 18734212]

約数ペア:

[(1, 18734212), (2, 9367106), (4, 4683553), (7, 2676316), (14, 1338158), (28, 669079), (41, 456932), (82, 228466), (164, 114233), (287, 65276), (574, 32638), (1148, 16319)]