18251013880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1011697}}^1$

素因数の和:1011760

約数の個数: 64

約数和(自身を含む): 45890621280

約数和(自身を除く): 27639607400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 1011697, 2023394, 4046788, 5058485, 8093576, 10116970, 11128667, 20233940, 22257334, 40467880, 41479577, 44514668, 55643335, 82959154, 89029336, 111286670, 165918308, 207397885, 222573340, 331836616, 414795770, 445146680, 456275347, 829591540, 912550694, 1659183080, 1825101388, 2281376735, 3650202776, 4562753470, 9125506940, 18251013880]

約数ペア:

[(1, 18251013880), (2, 9125506940), (4, 4562753470), (5, 3650202776), (8, 2281376735), (10, 1825101388), (11, 1659183080), (20, 912550694), (22, 829591540), (40, 456275347), (41, 445146680), (44, 414795770), (55, 331836616), (82, 222573340), (88, 207397885), (110, 165918308), (164, 111286670), (205, 89029336), (220, 82959154), (328, 55643335), (410, 44514668), (440, 41479577), (451, 40467880), (820, 22257334), (902, 20233940), (1640, 11128667), (1804, 10116970), (2255, 8093576), (3608, 5058485), (4510, 4046788), (9020, 2023394), (18040, 1011697)]