19398218

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1658

約数の個数: 24

約数和(自身を含む): 34128864

約数和(自身を除く): 14730646

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1511, 1834, 3022, 6419, 10577, 12838, 21154, 74039, 148078, 197941, 395882, 1385587, 2771174, 9699109, 19398218]

約数ペア:

[(1, 19398218), (2, 9699109), (7, 2771174), (14, 1385587), (49, 395882), (98, 197941), (131, 148078), (262, 74039), (917, 21154), (1511, 12838), (1834, 10577), (3022, 6419)]