19437418

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 42517440

約数和(自身を除く): 23080022

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 49, 73, 77, 91, 98, 133, 143, 146, 154, 182, 209, 247, 266, 286, 418, 494, 511, 539, 637, 803, 931, 949, 1001, 1022, 1078, 1274, 1387, 1463, 1606, 1729, 1862, 1898, 2002, 2717, 2774, 2926, 3458, 3577, 5434, 5621, 6643, 7007, 7154, 9709, 10241, 10439, 11242, 12103, 13286, 14014, 15257, 18031, 19019, 19418, 20482, 20878, 24206, 30514, 36062, 38038, 39347, 46501, 67963, 73073, 78694, 93002, 106799, 126217, 133133, 135926, 146146, 198341, 213598, 252434, 266266, 396682, 511511, 747593, 883519, 1023022, 1388387, 1495186, 1767038, 2776774, 9718709, 19437418]

約数ペア:

[(1, 19437418), (2, 9718709), (7, 2776774), (11, 1767038), (13, 1495186), (14, 1388387), (19, 1023022), (22, 883519), (26, 747593), (38, 511511), (49, 396682), (73, 266266), (77, 252434), (91, 213598), (98, 198341), (133, 146146), (143, 135926), (146, 133133), (154, 126217), (182, 106799), (209, 93002), (247, 78694), (266, 73073), (286, 67963), (418, 46501), (494, 39347), (511, 38038), (539, 36062), (637, 30514), (803, 24206), (931, 20878), (949, 20482), (1001, 19418), (1022, 19019), (1078, 18031), (1274, 15257), (1387, 14014), (1463, 13286), (1606, 12103), (1729, 11242), (1862, 10439), (1898, 10241), (2002, 9709), (2717, 7154), (2774, 7007), (2926, 6643), (3458, 5621), (3577, 5434)]