19427044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 44891840

約数和(自身を除く): 25464796

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 53, 76, 91, 106, 133, 182, 212, 247, 266, 364, 371, 494, 532, 689, 742, 988, 1007, 1378, 1484, 1729, 2014, 2756, 2809, 3458, 4028, 4823, 5618, 6916, 7049, 9646, 11236, 13091, 14098, 19292, 19663, 26182, 28196, 36517, 39326, 52364, 53371, 73034, 78652, 91637, 106742, 146068, 183274, 213484, 255619, 366548, 373597, 511238, 693823, 747194, 1022476, 1387646, 1494388, 2775292, 4856761, 9713522, 19427044]

約数ペア:

[(1, 19427044), (2, 9713522), (4, 4856761), (7, 2775292), (13, 1494388), (14, 1387646), (19, 1022476), (26, 747194), (28, 693823), (38, 511238), (52, 373597), (53, 366548), (76, 255619), (91, 213484), (106, 183274), (133, 146068), (182, 106742), (212, 91637), (247, 78652), (266, 73034), (364, 53371), (371, 52364), (494, 39326), (532, 36517), (689, 28196), (742, 26182), (988, 19663), (1007, 19292), (1378, 14098), (1484, 13091), (1729, 11236), (2014, 9646), (2756, 7049), (2809, 6916), (3458, 5618), (4028, 4823)]