19499584

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1067

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 24025856

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1019, 1196, 1472, 2038, 2392, 4076, 4784, 8152, 9568, 13247, 16304, 19136, 23437, 26494, 32608, 46874, 52988, 65216, 93748, 105976, 187496, 211952, 304681, 374992, 423904, 609362, 749984, 847808, 1218724, 1499968, 2437448, 4874896, 9749792, 19499584]

約数ペア:

[(1, 19499584), (2, 9749792), (4, 4874896), (8, 2437448), (13, 1499968), (16, 1218724), (23, 847808), (26, 749984), (32, 609362), (46, 423904), (52, 374992), (64, 304681), (92, 211952), (104, 187496), (184, 105976), (208, 93748), (299, 65216), (368, 52988), (416, 46874), (598, 32608), (736, 26494), (832, 23437), (1019, 19136), (1196, 16304), (1472, 13247), (2038, 9568), (2392, 8152), (4076, 4784)]