19009655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 9274249

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 743, 1505, 3655, 3715, 5117, 5201, 12631, 25585, 26005, 31949, 63155, 88417, 159745, 223643, 442085, 543133, 1118215, 2715665, 3801931, 19009655]

約数ペア:

[(1, 19009655), (5, 3801931), (7, 2715665), (17, 1118215), (35, 543133), (43, 442085), (85, 223643), (119, 159745), (215, 88417), (301, 63155), (595, 31949), (731, 26005), (743, 25585), (1505, 12631), (3655, 5201), (3715, 5117)]