19281470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 18639490

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2089, 4178, 4615, 9230, 10445, 20890, 27157, 54314, 135785, 148319, 271570, 296638, 741595, 1483190, 1928147, 3856294, 9640735, 19281470]

約数ペア:

[(1, 19281470), (2, 9640735), (5, 3856294), (10, 1928147), (13, 1483190), (26, 741595), (65, 296638), (71, 271570), (130, 148319), (142, 135785), (355, 54314), (710, 27157), (923, 20890), (1846, 10445), (2089, 9230), (4178, 4615)]