19814984

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1069}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 42628800

約数和(自身を除く): 22813816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1069, 1324, 2138, 2317, 2648, 4276, 4634, 7483, 8552, 9268, 14966, 18536, 29932, 59864, 353839, 707678, 1415356, 2476873, 2830712, 4953746, 9907492, 19814984]

約数ペア:

[(1, 19814984), (2, 9907492), (4, 4953746), (7, 2830712), (8, 2476873), (14, 1415356), (28, 707678), (56, 353839), (331, 59864), (662, 29932), (1069, 18536), (1324, 14966), (2138, 9268), (2317, 8552), (2648, 7483), (4276, 4634)]