18533900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 52496640

約数和(自身を除く): 33962740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 29, 35, 44, 50, 55, 58, 70, 77, 83, 100, 110, 116, 140, 145, 154, 166, 175, 203, 220, 275, 290, 308, 319, 332, 350, 385, 406, 415, 550, 580, 581, 638, 700, 725, 770, 812, 830, 913, 1015, 1100, 1162, 1276, 1450, 1540, 1595, 1660, 1826, 1925, 2030, 2075, 2233, 2324, 2407, 2900, 2905, 3190, 3652, 3850, 4060, 4150, 4466, 4565, 4814, 5075, 5810, 6380, 6391, 7700, 7975, 8300, 8932, 9130, 9628, 10150, 11165, 11620, 12035, 12782, 14525, 15950, 16849, 18260, 20300, 22330, 22825, 24070, 25564, 26477, 29050, 31900, 31955, 33698, 44660, 45650, 48140, 52954, 55825, 58100, 60175, 63910, 67396, 84245, 91300, 105908, 111650, 120350, 127820, 132385, 159775, 168490, 185339, 223300, 240700, 264770, 319550, 336980, 370678, 421225, 529540, 639100, 661925, 741356, 842450, 926695, 1323850, 1684900, 1853390, 2647700, 3706780, 4633475, 9266950, 18533900]

約数ペア:

[(1, 18533900), (2, 9266950), (4, 4633475), (5, 3706780), (7, 2647700), (10, 1853390), (11, 1684900), (14, 1323850), (20, 926695), (22, 842450), (25, 741356), (28, 661925), (29, 639100), (35, 529540), (44, 421225), (50, 370678), (55, 336980), (58, 319550), (70, 264770), (77, 240700), (83, 223300), (100, 185339), (110, 168490), (116, 159775), (140, 132385), (145, 127820), (154, 120350), (166, 111650), (175, 105908), (203, 91300), (220, 84245), (275, 67396), (290, 63910), (308, 60175), (319, 58100), (332, 55825), (350, 52954), (385, 48140), (406, 45650), (415, 44660), (550, 33698), (580, 31955), (581, 31900), (638, 29050), (700, 26477), (725, 25564), (770, 24070), (812, 22825), (830, 22330), (913, 20300), (1015, 18260), (1100, 16849), (1162, 15950), (1276, 14525), (1450, 12782), (1540, 12035), (1595, 11620), (1660, 11165), (1826, 10150), (1925, 9628), (2030, 9130), (2075, 8932), (2233, 8300), (2324, 7975), (2407, 7700), (2900, 6391), (2905, 6380), (3190, 5810), (3652, 5075), (3850, 4814), (4060, 4565), (4150, 4466)]