18892718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13282642

約数列:

[1, 2, 13, 26, 37, 41, 74, 82, 479, 481, 533, 958, 962, 1066, 1517, 3034, 6227, 12454, 17723, 19639, 19721, 35446, 39278, 39442, 230399, 255307, 460798, 510614, 726643, 1453286, 9446359, 18892718]

約数ペア:

[(1, 18892718), (2, 9446359), (13, 1453286), (26, 726643), (37, 510614), (41, 460798), (74, 255307), (82, 230399), (479, 39442), (481, 39278), (533, 35446), (958, 19721), (962, 19639), (1066, 17723), (1517, 12454), (3034, 6227)]