19005140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 53089344

約数和(自身を除く): 34084204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 43, 44, 49, 55, 70, 77, 82, 86, 98, 110, 140, 154, 164, 172, 196, 205, 215, 220, 245, 287, 301, 308, 385, 410, 430, 451, 473, 490, 539, 574, 602, 770, 820, 860, 902, 946, 980, 1078, 1148, 1204, 1435, 1505, 1540, 1763, 1804, 1892, 2009, 2107, 2156, 2255, 2365, 2695, 2870, 3010, 3157, 3311, 3526, 4018, 4214, 4510, 4730, 5390, 5740, 6020, 6314, 6622, 7052, 8036, 8428, 8815, 9020, 9460, 10045, 10535, 10780, 12341, 12628, 13244, 15785, 16555, 17630, 19393, 20090, 21070, 22099, 23177, 24682, 31570, 33110, 35260, 38786, 40180, 42140, 44198, 46354, 49364, 61705, 63140, 66220, 77572, 86387, 88396, 92708, 96965, 110495, 115885, 123410, 135751, 172774, 193930, 220990, 231770, 246820, 271502, 345548, 387860, 431935, 441980, 463540, 543004, 678755, 863870, 950257, 1357510, 1727740, 1900514, 2715020, 3801028, 4751285, 9502570, 19005140]

約数ペア:

[(1, 19005140), (2, 9502570), (4, 4751285), (5, 3801028), (7, 2715020), (10, 1900514), (11, 1727740), (14, 1357510), (20, 950257), (22, 863870), (28, 678755), (35, 543004), (41, 463540), (43, 441980), (44, 431935), (49, 387860), (55, 345548), (70, 271502), (77, 246820), (82, 231770), (86, 220990), (98, 193930), (110, 172774), (140, 135751), (154, 123410), (164, 115885), (172, 110495), (196, 96965), (205, 92708), (215, 88396), (220, 86387), (245, 77572), (287, 66220), (301, 63140), (308, 61705), (385, 49364), (410, 46354), (430, 44198), (451, 42140), (473, 40180), (490, 38786), (539, 35260), (574, 33110), (602, 31570), (770, 24682), (820, 23177), (860, 22099), (902, 21070), (946, 20090), (980, 19393), (1078, 17630), (1148, 16555), (1204, 15785), (1435, 13244), (1505, 12628), (1540, 12341), (1763, 10780), (1804, 10535), (1892, 10045), (2009, 9460), (2107, 9020), (2156, 8815), (2255, 8428), (2365, 8036), (2695, 7052), (2870, 6622), (3010, 6314), (3157, 6020), (3311, 5740), (3526, 5390), (4018, 4730), (4214, 4510)]