19142728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 41605200

約数和(自身を除く): 22462472

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 107, 152, 209, 214, 418, 428, 836, 856, 1177, 1672, 2033, 2354, 4066, 4708, 8132, 9416, 11449, 16264, 22363, 22898, 44726, 45796, 89452, 91592, 125939, 178904, 217531, 251878, 435062, 503756, 870124, 1007512, 1740248, 2392841, 4785682, 9571364, 19142728]

約数ペア:

[(1, 19142728), (2, 9571364), (4, 4785682), (8, 2392841), (11, 1740248), (19, 1007512), (22, 870124), (38, 503756), (44, 435062), (76, 251878), (88, 217531), (107, 178904), (152, 125939), (209, 91592), (214, 89452), (418, 45796), (428, 44726), (836, 22898), (856, 22363), (1177, 16264), (1672, 11449), (2033, 9416), (2354, 8132), (4066, 4708)]