19691696

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 41872320

約数和(自身を除く): 22180624

約数列:

[1, 2, 4, 8, 16, 29, 31, 37, 58, 62, 74, 116, 124, 148, 232, 248, 296, 464, 496, 592, 899, 1073, 1147, 1369, 1798, 2146, 2294, 2738, 3596, 4292, 4588, 5476, 7192, 8584, 9176, 10952, 14384, 17168, 18352, 21904, 33263, 39701, 42439, 66526, 79402, 84878, 133052, 158804, 169756, 266104, 317608, 339512, 532208, 635216, 679024, 1230731, 2461462, 4922924, 9845848, 19691696]

約数ペア:

[(1, 19691696), (2, 9845848), (4, 4922924), (8, 2461462), (16, 1230731), (29, 679024), (31, 635216), (37, 532208), (58, 339512), (62, 317608), (74, 266104), (116, 169756), (124, 158804), (148, 133052), (232, 84878), (248, 79402), (296, 66526), (464, 42439), (496, 39701), (592, 33263), (899, 21904), (1073, 18352), (1147, 17168), (1369, 14384), (1798, 10952), (2146, 9176), (2294, 8584), (2738, 7192), (3596, 5476), (4292, 4588)]