19101992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 46435200

約数和(自身を除く): 27333208

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1381, 1729, 1976, 2762, 3458, 5524, 6916, 9667, 11048, 13832, 17953, 19334, 26239, 35906, 38668, 52478, 71812, 77336, 104956, 125671, 143624, 183673, 209912, 251342, 341107, 367346, 502684, 682214, 734692, 1005368, 1364428, 1469384, 2387749, 2728856, 4775498, 9550996, 19101992]

約数ペア:

[(1, 19101992), (2, 9550996), (4, 4775498), (7, 2728856), (8, 2387749), (13, 1469384), (14, 1364428), (19, 1005368), (26, 734692), (28, 682214), (38, 502684), (52, 367346), (56, 341107), (76, 251342), (91, 209912), (104, 183673), (133, 143624), (152, 125671), (182, 104956), (247, 77336), (266, 71812), (364, 52478), (494, 38668), (532, 35906), (728, 26239), (988, 19334), (1064, 17953), (1381, 13832), (1729, 11048), (1976, 9667), (2762, 6916), (3458, 5524)]