19706301

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10775619

約数列:

[1, 3, 9, 27, 47, 53, 141, 159, 293, 423, 477, 879, 1269, 1431, 2491, 2637, 7473, 7911, 13771, 15529, 22419, 41313, 46587, 67257, 123939, 139761, 371817, 419283, 729863, 2189589, 6568767, 19706301]

約数ペア:

[(1, 19706301), (3, 6568767), (9, 2189589), (27, 729863), (47, 419283), (53, 371817), (141, 139761), (159, 123939), (293, 67257), (423, 46587), (477, 41313), (879, 22419), (1269, 15529), (1431, 13771), (2491, 7911), (2637, 7473)]