19118608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70289}}^1$

素因数の和:70314

約数の個数: 20

約数和(自身を含む): 39221820

約数和(自身を除く): 20103212

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70289, 140578, 281156, 562312, 1124624, 1194913, 2389826, 4779652, 9559304, 19118608]

約数ペア:

[(1, 19118608), (2, 9559304), (4, 4779652), (8, 2389826), (16, 1194913), (17, 1124624), (34, 562312), (68, 281156), (136, 140578), (272, 70289)]