19207804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 24458756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 59, 77, 98, 118, 151, 154, 196, 236, 302, 308, 413, 539, 604, 649, 826, 1057, 1078, 1298, 1652, 1661, 2114, 2156, 2596, 2891, 3322, 4228, 4543, 5782, 6644, 7399, 8909, 9086, 11564, 11627, 14798, 17818, 18172, 23254, 29596, 31801, 35636, 46508, 62363, 63602, 81389, 97999, 124726, 127204, 162778, 195998, 249452, 325556, 391996, 436541, 685993, 873082, 1371986, 1746164, 2743972, 4801951, 9603902, 19207804]

約数ペア:

[(1, 19207804), (2, 9603902), (4, 4801951), (7, 2743972), (11, 1746164), (14, 1371986), (22, 873082), (28, 685993), (44, 436541), (49, 391996), (59, 325556), (77, 249452), (98, 195998), (118, 162778), (151, 127204), (154, 124726), (196, 97999), (236, 81389), (302, 63602), (308, 62363), (413, 46508), (539, 35636), (604, 31801), (649, 29596), (826, 23254), (1057, 18172), (1078, 17818), (1298, 14798), (1652, 11627), (1661, 11564), (2114, 9086), (2156, 8909), (2596, 7399), (2891, 6644), (3322, 5782), (4228, 4543)]