19964502

素因数分解:

$2^1\times 3^3\times {\mathrm{457}}^1\times {\mathrm{809}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 44517600

約数和(自身を除く): 24553098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 457, 809, 914, 1371, 1618, 2427, 2742, 4113, 4854, 7281, 8226, 12339, 14562, 21843, 24678, 43686, 369713, 739426, 1109139, 2218278, 3327417, 6654834, 9982251, 19964502]

約数ペア:

[(1, 19964502), (2, 9982251), (3, 6654834), (6, 3327417), (9, 2218278), (18, 1109139), (27, 739426), (54, 369713), (457, 43686), (809, 24678), (914, 21843), (1371, 14562), (1618, 12339), (2427, 8226), (2742, 7281), (4113, 4854)]