19516012

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 34821360

約数和(自身を除く): 15305348

約数列:

[1, 2, 4, 97, 179, 194, 281, 358, 388, 562, 716, 1124, 17363, 27257, 34726, 50299, 54514, 69452, 100598, 109028, 201196, 4879003, 9758006, 19516012]

約数ペア:

[(1, 19516012), (2, 9758006), (4, 4879003), (97, 201196), (179, 109028), (194, 100598), (281, 69452), (358, 54514), (388, 50299), (562, 34726), (716, 27257), (1124, 17363)]