19913003

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 2706517

約数列:

[1, 11, 41, 67, 451, 659, 737, 2747, 7249, 27019, 30217, 44153, 297209, 485683, 1810273, 19913003]

約数ペア:

[(1, 19913003), (11, 1810273), (41, 485683), (67, 297209), (451, 44153), (659, 30217), (737, 27019), (2747, 7249)]