17711990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 34045920

約数和(自身を除く): 16333930

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1277, 1387, 2554, 2774, 6385, 6935, 12770, 13870, 24263, 48526, 93221, 121315, 186442, 242630, 466105, 932210, 1771199, 3542398, 8855995, 17711990]

約数ペア:

[(1, 17711990), (2, 8855995), (5, 3542398), (10, 1771199), (19, 932210), (38, 466105), (73, 242630), (95, 186442), (146, 121315), (190, 93221), (365, 48526), (730, 24263), (1277, 13870), (1387, 12770), (2554, 6935), (2774, 6385)]