19786788

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3739}}^1$

素因数の和:3766

約数の個数: 72

約数和(自身を含む): 59690400

約数和(自身を除く): 39903612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3739, 5292, 7478, 11217, 14956, 22434, 26173, 33651, 44868, 52346, 67302, 78519, 100953, 104692, 134604, 157038, 183211, 201906, 235557, 314076, 366422, 403812, 471114, 549633, 706671, 732844, 942228, 1099266, 1413342, 1648899, 2198532, 2826684, 3297798, 4946697, 6595596, 9893394, 19786788]

約数ペア:

[(1, 19786788), (2, 9893394), (3, 6595596), (4, 4946697), (6, 3297798), (7, 2826684), (9, 2198532), (12, 1648899), (14, 1413342), (18, 1099266), (21, 942228), (27, 732844), (28, 706671), (36, 549633), (42, 471114), (49, 403812), (54, 366422), (63, 314076), (84, 235557), (98, 201906), (108, 183211), (126, 157038), (147, 134604), (189, 104692), (196, 100953), (252, 78519), (294, 67302), (378, 52346), (441, 44868), (588, 33651), (756, 26173), (882, 22434), (1323, 14956), (1764, 11217), (2646, 7478), (3739, 5292)]