18994346

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 14535766

約数列:

[1, 2, 7, 14, 71, 97, 142, 194, 197, 394, 497, 679, 994, 1358, 1379, 2758, 6887, 13774, 13987, 19109, 27974, 38218, 48209, 96418, 97909, 133763, 195818, 267526, 1356739, 2713478, 9497173, 18994346]

約数ペア:

[(1, 18994346), (2, 9497173), (7, 2713478), (14, 1356739), (71, 267526), (97, 195818), (142, 133763), (194, 97909), (197, 96418), (394, 48209), (497, 38218), (679, 27974), (994, 19109), (1358, 13987), (1379, 13774), (2758, 6887)]