19778718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 22349922

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 211, 422, 633, 919, 1266, 1838, 2757, 3587, 5514, 7174, 10761, 15623, 21522, 31246, 46869, 93738, 193909, 387818, 581727, 1163454, 3296453, 6592906, 9889359, 19778718]

約数ペア:

[(1, 19778718), (2, 9889359), (3, 6592906), (6, 3296453), (17, 1163454), (34, 581727), (51, 387818), (102, 193909), (211, 93738), (422, 46869), (633, 31246), (919, 21522), (1266, 15623), (1838, 10761), (2757, 7174), (3587, 5514)]