19858788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 54650232

約数和(自身を除く): 34791444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 877, 1258, 1332, 1754, 1887, 2516, 2631, 3508, 3774, 5262, 5661, 7548, 7893, 10524, 11322, 14909, 15786, 22644, 29818, 31572, 32449, 44727, 59636, 64898, 89454, 97347, 129796, 134181, 178908, 194694, 268362, 292041, 389388, 536724, 551633, 584082, 1103266, 1168164, 1654899, 2206532, 3309798, 4964697, 6619596, 9929394, 19858788]

約数ペア:

[(1, 19858788), (2, 9929394), (3, 6619596), (4, 4964697), (6, 3309798), (9, 2206532), (12, 1654899), (17, 1168164), (18, 1103266), (34, 584082), (36, 551633), (37, 536724), (51, 389388), (68, 292041), (74, 268362), (102, 194694), (111, 178908), (148, 134181), (153, 129796), (204, 97347), (222, 89454), (306, 64898), (333, 59636), (444, 44727), (612, 32449), (629, 31572), (666, 29818), (877, 22644), (1258, 15786), (1332, 14909), (1754, 11322), (1887, 10524), (2516, 7893), (2631, 7548), (3508, 5661), (3774, 5262)]