19217432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 19792168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 719, 1028, 1438, 2056, 2876, 3341, 5752, 6682, 9347, 13364, 18694, 26728, 37388, 74776, 184783, 369566, 739132, 1478264, 2402179, 4804358, 9608716, 19217432]

約数ペア:

[(1, 19217432), (2, 9608716), (4, 4804358), (8, 2402179), (13, 1478264), (26, 739132), (52, 369566), (104, 184783), (257, 74776), (514, 37388), (719, 26728), (1028, 18694), (1438, 13364), (2056, 9347), (2876, 6682), (3341, 5752)]