19620771

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 10031709

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 389, 391, 731, 989, 1167, 1173, 2193, 2967, 6613, 8947, 16727, 16813, 19839, 26841, 50181, 50439, 152099, 284359, 384721, 456297, 853077, 1154163, 6540257, 19620771]

約数ペア:

[(1, 19620771), (3, 6540257), (17, 1154163), (23, 853077), (43, 456297), (51, 384721), (69, 284359), (129, 152099), (389, 50439), (391, 50181), (731, 26841), (989, 19839), (1167, 16813), (1173, 16727), (2193, 8947), (2967, 6613)]