18727125890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{197273}}^1$

素因数の和:198154

約数の個数: 32

約数和(自身を含む): 36816062976

約数和(自身を除く): 18088937086

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 863, 1726, 4315, 8630, 9493, 18986, 47465, 94930, 197273, 394546, 986365, 1972730, 2170003, 4340006, 10850015, 21700030, 170246599, 340493198, 851232995, 1702465990, 1872712589, 3745425178, 9363562945, 18727125890]

約数ペア:

[(1, 18727125890), (2, 9363562945), (5, 3745425178), (10, 1872712589), (11, 1702465990), (22, 851232995), (55, 340493198), (110, 170246599), (863, 21700030), (1726, 10850015), (4315, 4340006), (8630, 2170003), (9493, 1972730), (18986, 986365), (47465, 394546), (94930, 197273)]