19819252

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 35370720

約数和(自身を除く): 15551468

約数列:

[1, 2, 4, 109, 131, 218, 262, 347, 436, 524, 694, 1388, 14279, 28558, 37823, 45457, 57116, 75646, 90914, 151292, 181828, 4954813, 9909626, 19819252]

約数ペア:

[(1, 19819252), (2, 9909626), (4, 4954813), (109, 181828), (131, 151292), (218, 90914), (262, 75646), (347, 57116), (436, 45457), (524, 37823), (694, 28558), (1388, 14279)]