19105705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4241}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 24739344

約数和(自身を除く): 5633639

約数列:

[1, 5, 17, 53, 85, 265, 901, 4241, 4505, 21205, 72097, 224773, 360485, 1123865, 3821141, 19105705]

約数ペア:

[(1, 19105705), (5, 3821141), (17, 1123865), (53, 360485), (85, 224773), (265, 72097), (901, 21205), (4241, 4505)]