19770808

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 19829192

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 232, 248, 899, 1798, 2749, 3596, 5498, 7192, 10996, 21992, 79721, 85219, 159442, 170438, 318884, 340876, 637768, 681752, 2471351, 4942702, 9885404, 19770808]

約数ペア:

[(1, 19770808), (2, 9885404), (4, 4942702), (8, 2471351), (29, 681752), (31, 637768), (58, 340876), (62, 318884), (116, 170438), (124, 159442), (232, 85219), (248, 79721), (899, 21992), (1798, 10996), (2749, 7192), (3596, 5498)]