19499733

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 30865536

約数和(自身を除く): 11365803

約数列:

[1, 3, 9, 11, 33, 99, 431, 457, 1293, 1371, 3879, 4113, 4741, 5027, 14223, 15081, 42669, 45243, 196967, 590901, 1772703, 2166637, 6499911, 19499733]

約数ペア:

[(1, 19499733), (3, 6499911), (9, 2166637), (11, 1772703), (33, 590901), (99, 196967), (431, 45243), (457, 42669), (1293, 15081), (1371, 14223), (3879, 5027), (4113, 4741)]