19451744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 26271136

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 76, 92, 104, 107, 152, 184, 208, 214, 247, 299, 304, 368, 416, 428, 437, 494, 598, 608, 736, 856, 874, 988, 1196, 1391, 1712, 1748, 1976, 2033, 2392, 2461, 2782, 3424, 3496, 3952, 4066, 4784, 4922, 5564, 5681, 6992, 7904, 8132, 9568, 9844, 11128, 11362, 13984, 16264, 19688, 22256, 22724, 26429, 31993, 32528, 39376, 44512, 45448, 46759, 52858, 63986, 65056, 78752, 90896, 93518, 105716, 127972, 181792, 187036, 211432, 255944, 374072, 422864, 511888, 607867, 748144, 845728, 1023776, 1215734, 1496288, 2431468, 4862936, 9725872, 19451744]

約数ペア:

[(1, 19451744), (2, 9725872), (4, 4862936), (8, 2431468), (13, 1496288), (16, 1215734), (19, 1023776), (23, 845728), (26, 748144), (32, 607867), (38, 511888), (46, 422864), (52, 374072), (76, 255944), (92, 211432), (104, 187036), (107, 181792), (152, 127972), (184, 105716), (208, 93518), (214, 90896), (247, 78752), (299, 65056), (304, 63986), (368, 52858), (416, 46759), (428, 45448), (437, 44512), (494, 39376), (598, 32528), (608, 31993), (736, 26429), (856, 22724), (874, 22256), (988, 19688), (1196, 16264), (1391, 13984), (1712, 11362), (1748, 11128), (1976, 9844), (2033, 9568), (2392, 8132), (2461, 7904), (2782, 6992), (3424, 5681), (3496, 5564), (3952, 4922), (4066, 4784)]