18918374

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4621}}^1$

素因数の和:4735

約数の個数: 16

約数和(自身を含む): 29950560

約数和(自身を除く): 11032186

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 4621, 9242, 106283, 212566, 411269, 822538, 9459187, 18918374]

約数ペア:

[(1, 18918374), (2, 9459187), (23, 822538), (46, 411269), (89, 212566), (178, 106283), (2047, 9242), (4094, 4621)]