19748806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128239}}^1$

素因数の和:128259

約数の個数: 16

約数和(自身を含む): 36933120

約数和(自身を除く): 17184314

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128239, 256478, 897673, 1410629, 1795346, 2821258, 9874403, 19748806]

約数ペア:

[(1, 19748806), (2, 9874403), (7, 2821258), (11, 1795346), (14, 1410629), (22, 897673), (77, 256478), (154, 128239)]