19747028

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21742252

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 83, 116, 166, 203, 293, 332, 406, 581, 586, 812, 1162, 1172, 2051, 2324, 2407, 4102, 4814, 8204, 8497, 9628, 16849, 16994, 24319, 33698, 33988, 48638, 59479, 67396, 97276, 118958, 170233, 237916, 340466, 680932, 705251, 1410502, 2821004, 4936757, 9873514, 19747028]

約数ペア:

[(1, 19747028), (2, 9873514), (4, 4936757), (7, 2821004), (14, 1410502), (28, 705251), (29, 680932), (58, 340466), (83, 237916), (116, 170233), (166, 118958), (203, 97276), (293, 67396), (332, 59479), (406, 48638), (581, 33988), (586, 33698), (812, 24319), (1162, 16994), (1172, 16849), (2051, 9628), (2324, 8497), (2407, 8204), (4102, 4814)]