18704729780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2742629}}^1$

素因数の和:2742680

約数の個数: 48

約数和(自身を含む): 44233136640

約数和(自身を除く): 25528406860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 2742629, 5485258, 10970516, 13713145, 27426290, 30168919, 54852580, 60337838, 85021499, 120675676, 150844595, 170042998, 301689190, 340085996, 425107495, 603378380, 850214990, 935236489, 1700429980, 1870472978, 3740945956, 4676182445, 9352364890, 18704729780]

約数ペア:

[(1, 18704729780), (2, 9352364890), (4, 4676182445), (5, 3740945956), (10, 1870472978), (11, 1700429980), (20, 935236489), (22, 850214990), (31, 603378380), (44, 425107495), (55, 340085996), (62, 301689190), (110, 170042998), (124, 150844595), (155, 120675676), (220, 85021499), (310, 60337838), (341, 54852580), (620, 30168919), (682, 27426290), (1364, 13713145), (1705, 10970516), (3410, 5485258), (6820, 2742629)]