19124631

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{173}}^2$

素因数の和:423

約数の個数: 18

約数和(自身を含む): 28176408

約数和(自身を除く): 9051777

約数列:

[1, 3, 9, 71, 173, 213, 519, 639, 1557, 12283, 29929, 36849, 89787, 110547, 269361, 2124959, 6374877, 19124631]

約数ペア:

[(1, 19124631), (3, 6374877), (9, 2124959), (71, 269361), (173, 110547), (213, 89787), (519, 36849), (639, 29929), (1557, 12283)]