19698230

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{10883}}^1$

素因数の和:11071

約数の個数: 16

約数和(自身を含む): 35655984

約数和(自身を除く): 15957754

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 10883, 21766, 54415, 108830, 1969823, 3939646, 9849115, 19698230]

約数ペア:

[(1, 19698230), (2, 9849115), (5, 3939646), (10, 1969823), (181, 108830), (362, 54415), (905, 21766), (1810, 10883)]