20151894988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{26513}}^1$

素因数の和:26746

約数の個数: 48

約数和(自身を含む): 37906535520

約数和(自身を除く): 17754640532

約数列:

[1, 2, 4, 19, 38, 73, 76, 137, 146, 274, 292, 548, 1387, 2603, 2774, 5206, 5548, 10001, 10412, 20002, 26513, 40004, 53026, 106052, 190019, 380038, 503747, 760076, 1007494, 1935449, 2014988, 3632281, 3870898, 7264562, 7741796, 14529124, 36773531, 69013339, 73547062, 138026678, 147094124, 265156513, 276053356, 530313026, 1060626052, 5037973747, 10075947494, 20151894988]

約数ペア:

[(1, 20151894988), (2, 10075947494), (4, 5037973747), (19, 1060626052), (38, 530313026), (73, 276053356), (76, 265156513), (137, 147094124), (146, 138026678), (274, 73547062), (292, 69013339), (548, 36773531), (1387, 14529124), (2603, 7741796), (2774, 7264562), (5206, 3870898), (5548, 3632281), (10001, 2014988), (10412, 1935449), (20002, 1007494), (26513, 760076), (40004, 503747), (53026, 380038), (106052, 190019)]