19762929

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 29469440

約数和(自身を除く): 9706511

約数列:

[1, 3, 9, 43, 129, 223, 229, 387, 669, 687, 2007, 2061, 9589, 9847, 28767, 29541, 51067, 86301, 88623, 153201, 459603, 2195881, 6587643, 19762929]

約数ペア:

[(1, 19762929), (3, 6587643), (9, 2195881), (43, 459603), (129, 153201), (223, 88623), (229, 86301), (387, 51067), (669, 29541), (687, 28767), (2007, 9847), (2061, 9589)]