19885574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1471

約数の個数: 16

約数和(自身を含む): 30735936

約数和(自身を除く): 10850362

約数列:

[1, 2, 41, 82, 197, 394, 1231, 2462, 8077, 16154, 50471, 100942, 242507, 485014, 9942787, 19885574]

約数ペア:

[(1, 19885574), (2, 9942787), (41, 485014), (82, 242507), (197, 100942), (394, 50471), (1231, 16154), (2462, 8077)]