19842687

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 29343600

約数和(自身を除く): 9500913

約数列:

[1, 3, 9, 109, 113, 179, 327, 339, 537, 981, 1017, 1611, 12317, 19511, 20227, 36951, 58533, 60681, 110853, 175599, 182043, 2204743, 6614229, 19842687]

約数ペア:

[(1, 19842687), (3, 6614229), (9, 2204743), (109, 182043), (113, 175599), (179, 110853), (327, 60681), (339, 58533), (537, 36951), (981, 20227), (1017, 19511), (1611, 12317)]