19655172

素因数分解:

$2^2\times 3^2\times {\mathrm{727}}^1\times {\mathrm{751}}^1$

素因数の和:1488

約数の個数: 36

約数和(自身を含む): 49818496

約数和(自身を除く): 30163324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 727, 751, 1454, 1502, 2181, 2253, 2908, 3004, 4362, 4506, 6543, 6759, 8724, 9012, 13086, 13518, 26172, 27036, 545977, 1091954, 1637931, 2183908, 3275862, 4913793, 6551724, 9827586, 19655172]

約数ペア:

[(1, 19655172), (2, 9827586), (3, 6551724), (4, 4913793), (6, 3275862), (9, 2183908), (12, 1637931), (18, 1091954), (36, 545977), (727, 27036), (751, 26172), (1454, 13518), (1502, 13086), (2181, 9012), (2253, 8724), (2908, 6759), (3004, 6543), (4362, 4506)]