18998867797

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1\times {\mathrm{5981}}^1$

素因数の和:6589

約数の個数: 32

約数和(自身を含む): 23781752064

約数和(自身を除く): 4782884267

約数列:

[1, 7, 13, 67, 91, 469, 521, 871, 3647, 5981, 6097, 6773, 34907, 41867, 47411, 77753, 244349, 400727, 453791, 544271, 2805089, 3116101, 3176537, 5209451, 21812707, 36466157, 40509313, 208778767, 283565191, 1461451369, 2714123971, 18998867797]

約数ペア:

[(1, 18998867797), (7, 2714123971), (13, 1461451369), (67, 283565191), (91, 208778767), (469, 40509313), (521, 36466157), (871, 21812707), (3647, 5209451), (5981, 3176537), (6097, 3116101), (6773, 2805089), (34907, 544271), (41867, 453791), (47411, 400727), (77753, 244349)]