19749070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22241330

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 179, 187, 295, 358, 374, 590, 649, 895, 935, 1003, 1298, 1790, 1870, 1969, 2006, 3043, 3245, 3938, 5015, 6086, 6490, 9845, 10030, 10561, 11033, 15215, 19690, 21122, 22066, 30430, 33473, 52805, 55165, 66946, 105610, 110330, 116171, 167365, 179537, 232342, 334730, 359074, 580855, 897685, 1161710, 1795370, 1974907, 3949814, 9874535, 19749070]

約数ペア:

[(1, 19749070), (2, 9874535), (5, 3949814), (10, 1974907), (11, 1795370), (17, 1161710), (22, 897685), (34, 580855), (55, 359074), (59, 334730), (85, 232342), (110, 179537), (118, 167365), (170, 116171), (179, 110330), (187, 105610), (295, 66946), (358, 55165), (374, 52805), (590, 33473), (649, 30430), (895, 22066), (935, 21122), (1003, 19690), (1298, 15215), (1790, 11033), (1870, 10561), (1969, 10030), (2006, 9845), (3043, 6490), (3245, 6086), (3938, 5015)]