19113129

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4273}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 32003712

約数和(自身を除く): 12890583

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4273, 4473, 12819, 29911, 38457, 89733, 269199, 303383, 910149, 2123681, 2730447, 6371043, 19113129]

約数ペア:

[(1, 19113129), (3, 6371043), (7, 2730447), (9, 2123681), (21, 910149), (63, 303383), (71, 269199), (213, 89733), (497, 38457), (639, 29911), (1491, 12819), (4273, 4473)]