17986980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27253}}^1$

素因数の和:27276

約数の個数: 48

約数和(自身を含む): 54944064

約数和(自身を除く): 36957084

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27253, 54506, 81759, 109012, 136265, 163518, 272530, 299783, 327036, 408795, 545060, 599566, 817590, 899349, 1199132, 1498915, 1635180, 1798698, 2997830, 3597396, 4496745, 5995660, 8993490, 17986980]

約数ペア:

[(1, 17986980), (2, 8993490), (3, 5995660), (4, 4496745), (5, 3597396), (6, 2997830), (10, 1798698), (11, 1635180), (12, 1498915), (15, 1199132), (20, 899349), (22, 817590), (30, 599566), (33, 545060), (44, 408795), (55, 327036), (60, 299783), (66, 272530), (110, 163518), (132, 136265), (165, 109012), (220, 81759), (330, 54506), (660, 27253)]