19665770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 19117030

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 3989, 4930, 7978, 19945, 39890, 67813, 115681, 135626, 231362, 339065, 578405, 678130, 1156810, 1966577, 3933154, 9832885, 19665770]

約数ペア:

[(1, 19665770), (2, 9832885), (5, 3933154), (10, 1966577), (17, 1156810), (29, 678130), (34, 578405), (58, 339065), (85, 231362), (145, 135626), (170, 115681), (290, 67813), (493, 39890), (986, 19945), (2465, 7978), (3989, 4930)]