19784260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58189}}^1$

素因数の和:58215

約数の個数: 24

約数和(自身を含む): 43991640

約数和(自身を除く): 24207380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58189, 116378, 232756, 290945, 581890, 989213, 1163780, 1978426, 3956852, 4946065, 9892130, 19784260]

約数ペア:

[(1, 19784260), (2, 9892130), (4, 4946065), (5, 3956852), (10, 1978426), (17, 1163780), (20, 989213), (34, 581890), (68, 290945), (85, 232756), (170, 116378), (340, 58189)]