18021850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 43425792

約数和(自身を除く): 25403942

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 50, 55, 62, 70, 77, 110, 151, 154, 155, 175, 217, 275, 302, 310, 341, 350, 385, 434, 550, 682, 755, 770, 775, 1057, 1085, 1510, 1550, 1661, 1705, 1925, 2114, 2170, 2387, 3322, 3410, 3775, 3850, 4681, 4774, 5285, 5425, 7550, 8305, 8525, 9362, 10570, 10850, 11627, 11935, 16610, 17050, 23254, 23405, 23870, 26425, 32767, 41525, 46810, 51491, 52850, 58135, 59675, 65534, 83050, 102982, 116270, 117025, 119350, 163835, 234050, 257455, 290675, 327670, 360437, 514910, 581350, 720874, 819175, 1287275, 1638350, 1802185, 2574550, 3604370, 9010925, 18021850]

約数ペア:

[(1, 18021850), (2, 9010925), (5, 3604370), (7, 2574550), (10, 1802185), (11, 1638350), (14, 1287275), (22, 819175), (25, 720874), (31, 581350), (35, 514910), (50, 360437), (55, 327670), (62, 290675), (70, 257455), (77, 234050), (110, 163835), (151, 119350), (154, 117025), (155, 116270), (175, 102982), (217, 83050), (275, 65534), (302, 59675), (310, 58135), (341, 52850), (350, 51491), (385, 46810), (434, 41525), (550, 32767), (682, 26425), (755, 23870), (770, 23405), (775, 23254), (1057, 17050), (1085, 16610), (1510, 11935), (1550, 11627), (1661, 10850), (1705, 10570), (1925, 9362), (2114, 8525), (2170, 8305), (2387, 7550), (3322, 5425), (3410, 5285), (3775, 4774), (3850, 4681)]