19771504

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42611}}^1$

素因数の和:42648

約数の個数: 20

約数和(自身を含む): 39629160

約数和(自身を除く): 19857656

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42611, 85222, 170444, 340888, 681776, 1235719, 2471438, 4942876, 9885752, 19771504]

約数ペア:

[(1, 19771504), (2, 9885752), (4, 4942876), (8, 2471438), (16, 1235719), (29, 681776), (58, 340888), (116, 170444), (232, 85222), (464, 42611)]