19442995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 8426189

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 383, 715, 781, 923, 1915, 3905, 4213, 4615, 4979, 10153, 21065, 24895, 27193, 50765, 54769, 135965, 273845, 299123, 353509, 1495615, 1767545, 3888599, 19442995]

約数ペア:

[(1, 19442995), (5, 3888599), (11, 1767545), (13, 1495615), (55, 353509), (65, 299123), (71, 273845), (143, 135965), (355, 54769), (383, 50765), (715, 27193), (781, 24895), (923, 21065), (1915, 10153), (3905, 4979), (4213, 4615)]