19154968

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{853}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 41196960

約数和(自身を除く): 22041992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 853, 1604, 1706, 2807, 3208, 3412, 5614, 5971, 6824, 11228, 11942, 22456, 23884, 47768, 342053, 684106, 1368212, 2394371, 2736424, 4788742, 9577484, 19154968]

約数ペア:

[(1, 19154968), (2, 9577484), (4, 4788742), (7, 2736424), (8, 2394371), (14, 1368212), (28, 684106), (56, 342053), (401, 47768), (802, 23884), (853, 22456), (1604, 11942), (1706, 11228), (2807, 6824), (3208, 5971), (3412, 5614)]