19512260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57389}}^1$

素因数の和:57415

約数の個数: 24

約数和(自身を含む): 43386840

約数和(自身を除く): 23874580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57389, 114778, 229556, 286945, 573890, 975613, 1147780, 1951226, 3902452, 4878065, 9756130, 19512260]

約数ペア:

[(1, 19512260), (2, 9756130), (4, 4878065), (5, 3902452), (10, 1951226), (17, 1147780), (20, 975613), (34, 573890), (68, 286945), (85, 229556), (170, 114778), (340, 57389)]