19633756

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 35093520

約数和(自身を除く): 15459764

約数列:

[1, 2, 4, 89, 131, 178, 262, 356, 421, 524, 842, 1684, 11659, 23318, 37469, 46636, 55151, 74938, 110302, 149876, 220604, 4908439, 9816878, 19633756]

約数ペア:

[(1, 19633756), (2, 9816878), (4, 4908439), (89, 220604), (131, 149876), (178, 110302), (262, 74938), (356, 55151), (421, 46636), (524, 37469), (842, 23318), (1684, 11659)]