19940031

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 31084560

約数和(自身を除く): 11144529

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2459, 2703, 7377, 8109, 22131, 41803, 125409, 130327, 376227, 390981, 1172943, 2215559, 6646677, 19940031]

約数ペア:

[(1, 19940031), (3, 6646677), (9, 2215559), (17, 1172943), (51, 390981), (53, 376227), (153, 130327), (159, 125409), (477, 41803), (901, 22131), (2459, 8109), (2703, 7377)]