20180898

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15791}}^1$

素因数の和:15870

約数の個数: 24

約数和(自身を含む): 44343936

約数和(自身を除く): 24163038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15791, 31582, 47373, 94746, 142119, 284238, 1121161, 2242322, 3363483, 6726966, 10090449, 20180898]

約数ペア:

[(1, 20180898), (2, 10090449), (3, 6726966), (6, 3363483), (9, 2242322), (18, 1121161), (71, 284238), (142, 142119), (213, 94746), (426, 47373), (639, 31582), (1278, 15791)]