81630916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{22853}}^1$

素因数の和:22923

約数の個数: 24

約数和(自身を含む): 153578880

約数和(自身を除く): 71947964

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 22853, 45706, 91412, 434207, 868414, 1074091, 1736828, 2148182, 4296364, 20407729, 40815458, 81630916]

約数ペア:

[(1, 81630916), (2, 40815458), (4, 20407729), (19, 4296364), (38, 2148182), (47, 1736828), (76, 1074091), (94, 868414), (188, 434207), (893, 91412), (1786, 45706), (3572, 22853)]