18856110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6907}}^1$

素因数の和:6937

約数の個数: 64

約数和(自身を含む): 55706112

約数和(自身を除く): 36850002

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6907, 13814, 20721, 34535, 41442, 48349, 69070, 89791, 96698, 103605, 145047, 179582, 207210, 241745, 269373, 290094, 448955, 483490, 538746, 628537, 725235, 897910, 1257074, 1346865, 1450470, 1885611, 2693730, 3142685, 3771222, 6285370, 9428055, 18856110]

約数ペア:

[(1, 18856110), (2, 9428055), (3, 6285370), (5, 3771222), (6, 3142685), (7, 2693730), (10, 1885611), (13, 1450470), (14, 1346865), (15, 1257074), (21, 897910), (26, 725235), (30, 628537), (35, 538746), (39, 483490), (42, 448955), (65, 290094), (70, 269373), (78, 241745), (91, 207210), (105, 179582), (130, 145047), (182, 103605), (195, 96698), (210, 89791), (273, 69070), (390, 48349), (455, 41442), (546, 34535), (910, 20721), (1365, 13814), (2730, 6907)]