19494722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 34820352

約数和(自身を除く): 15325630

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 67, 134, 247, 361, 403, 494, 589, 722, 806, 871, 1178, 1273, 1742, 2077, 2546, 4154, 4693, 7657, 9386, 11191, 15314, 16549, 22382, 24187, 27001, 33098, 39463, 48374, 54002, 78926, 145483, 290966, 314431, 513019, 628862, 749797, 1026038, 1499594, 9747361, 19494722]

約数ペア:

[(1, 19494722), (2, 9747361), (13, 1499594), (19, 1026038), (26, 749797), (31, 628862), (38, 513019), (62, 314431), (67, 290966), (134, 145483), (247, 78926), (361, 54002), (403, 48374), (494, 39463), (589, 33098), (722, 27001), (806, 24187), (871, 22382), (1178, 16549), (1273, 15314), (1742, 11191), (2077, 9386), (2546, 7657), (4154, 4693)]