18795364

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 20718236

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 293, 316, 406, 553, 586, 812, 1106, 1172, 2051, 2212, 2291, 4102, 4582, 8204, 8497, 9164, 16037, 16994, 23147, 32074, 33988, 46294, 59479, 64148, 92588, 118958, 162029, 237916, 324058, 648116, 671263, 1342526, 2685052, 4698841, 9397682, 18795364]

約数ペア:

[(1, 18795364), (2, 9397682), (4, 4698841), (7, 2685052), (14, 1342526), (28, 671263), (29, 648116), (58, 324058), (79, 237916), (116, 162029), (158, 118958), (203, 92588), (293, 64148), (316, 59479), (406, 46294), (553, 33988), (586, 32074), (812, 23147), (1106, 16994), (1172, 16037), (2051, 9164), (2212, 8497), (2291, 8204), (4102, 4582)]