19869685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8123915

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 269, 395, 869, 935, 1343, 1345, 2959, 4345, 4573, 6715, 14773, 14795, 21251, 22865, 50303, 73865, 106255, 233761, 251515, 361267, 1168805, 1806335, 3973937, 19869685]

約数ペア:

[(1, 19869685), (5, 3973937), (11, 1806335), (17, 1168805), (55, 361267), (79, 251515), (85, 233761), (187, 106255), (269, 73865), (395, 50303), (869, 22865), (935, 21251), (1343, 14795), (1345, 14773), (2959, 6715), (4345, 4573)]