18966064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91183}}^1$

素因数の和:91204

約数の個数: 20

約数和(自身を含む): 39573856

約数和(自身を除く): 20607792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91183, 182366, 364732, 729464, 1185379, 1458928, 2370758, 4741516, 9483032, 18966064]

約数ペア:

[(1, 18966064), (2, 9483032), (4, 4741516), (8, 2370758), (13, 1458928), (16, 1185379), (26, 729464), (52, 364732), (104, 182366), (208, 91183)]