19415972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7717}}^1$

素因数の和:7775

約数の個数: 24

約数和(自身を含む): 36953784

約数和(自身を除く): 17537812

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 7717, 15434, 30868, 131189, 262378, 285529, 524756, 571058, 1142116, 4853993, 9707986, 19415972]

約数ペア:

[(1, 19415972), (2, 9707986), (4, 4853993), (17, 1142116), (34, 571058), (37, 524756), (68, 285529), (74, 262378), (148, 131189), (629, 30868), (1258, 15434), (2516, 7717)]