19440883

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 24641280

約数和(自身を除く): 5200397

約数列:

[1, 7, 11, 61, 77, 427, 671, 4139, 4697, 28973, 45529, 252479, 318703, 1767353, 2777269, 19440883]

約数ペア:

[(1, 19440883), (7, 2777269), (11, 1767353), (61, 318703), (77, 252479), (427, 45529), (671, 28973), (4139, 4697)]