18907077

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 11865147

約数列:

[1, 3, 7, 17, 21, 51, 119, 211, 251, 357, 633, 753, 1477, 1757, 3587, 4267, 4431, 5271, 10761, 12801, 25109, 29869, 52961, 75327, 89607, 158883, 370727, 900337, 1112181, 2701011, 6302359, 18907077]

約数ペア:

[(1, 18907077), (3, 6302359), (7, 2701011), (17, 1112181), (21, 900337), (51, 370727), (119, 158883), (211, 89607), (251, 75327), (357, 52961), (633, 29869), (753, 25109), (1477, 12801), (1757, 10761), (3587, 5271), (4267, 4431)]