19310030

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2129}}^1$

素因数の和:3043

約数の個数: 16

約数和(自身を含む): 34812720

約数和(自身を除く): 15502690

約数列:

[1, 2, 5, 10, 907, 1814, 2129, 4258, 4535, 9070, 10645, 21290, 1931003, 3862006, 9655015, 19310030]

約数ペア:

[(1, 19310030), (2, 9655015), (5, 3862006), (10, 1931003), (907, 21290), (1814, 10645), (2129, 9070), (4258, 4535)]