19029505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11161}}^1$

素因数の和:11208

約数の個数: 16

約数和(自身を含む): 25717248

約数和(自身を除く): 6687743

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11161, 55805, 122771, 345991, 613855, 1729955, 3805901, 19029505]

約数ペア:

[(1, 19029505), (5, 3805901), (11, 1729955), (31, 613855), (55, 345991), (155, 122771), (341, 55805), (1705, 11161)]