18974001844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{79433}}^1$

素因数の和:79912

約数の個数: 48

約数和(自身を含む): 40034736000

約数和(自身を除く): 21060734156

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 449, 532, 898, 1796, 3143, 6286, 8531, 12572, 17062, 34124, 59717, 79433, 119434, 158866, 238868, 317732, 556031, 1112062, 1509227, 2224124, 3018454, 6036908, 10564589, 21129178, 35665417, 42258356, 71330834, 142661668, 249657919, 499315838, 677642923, 998631676, 1355285846, 2710571692, 4743500461, 9487000922, 18974001844]

約数ペア:

[(1, 18974001844), (2, 9487000922), (4, 4743500461), (7, 2710571692), (14, 1355285846), (19, 998631676), (28, 677642923), (38, 499315838), (76, 249657919), (133, 142661668), (266, 71330834), (449, 42258356), (532, 35665417), (898, 21129178), (1796, 10564589), (3143, 6036908), (6286, 3018454), (8531, 2224124), (12572, 1509227), (17062, 1112062), (34124, 556031), (59717, 317732), (79433, 238868), (119434, 158866)]