18100769060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{211507}}^1$

素因数の和:211916

約数の個数: 48

約数和(自身を含む): 41574012480

約数和(自身を除く): 23473243420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 17116, 21395, 42790, 85580, 211507, 423014, 846028, 1057535, 2115070, 2326577, 4230140, 4653154, 9306308, 11632885, 23265770, 46531540, 82276223, 164552446, 329104892, 411381115, 822762230, 905038453, 1645524460, 1810076906, 3620153812, 4525192265, 9050384530, 18100769060]

約数ペア:

[(1, 18100769060), (2, 9050384530), (4, 4525192265), (5, 3620153812), (10, 1810076906), (11, 1645524460), (20, 905038453), (22, 822762230), (44, 411381115), (55, 329104892), (110, 164552446), (220, 82276223), (389, 46531540), (778, 23265770), (1556, 11632885), (1945, 9306308), (3890, 4653154), (4279, 4230140), (7780, 2326577), (8558, 2115070), (17116, 1057535), (21395, 846028), (42790, 423014), (85580, 211507)]