19277721

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 29020680

約数和(自身を除く): 9742959

約数列:

[1, 3, 9, 29, 87, 233, 261, 317, 699, 951, 2097, 2853, 6757, 9193, 20271, 27579, 60813, 73861, 82737, 221583, 664749, 2141969, 6425907, 19277721]

約数ペア:

[(1, 19277721), (3, 6425907), (9, 2141969), (29, 664749), (87, 221583), (233, 82737), (261, 73861), (317, 60813), (699, 27579), (951, 20271), (2097, 9193), (2853, 6757)]