19508784

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 34487760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 41, 46, 48, 69, 82, 92, 123, 138, 164, 184, 246, 276, 328, 368, 431, 492, 552, 656, 862, 943, 984, 1104, 1293, 1724, 1886, 1968, 2586, 2829, 3448, 3772, 5172, 5658, 6896, 7544, 9913, 10344, 11316, 15088, 17671, 19826, 20688, 22632, 29739, 35342, 39652, 45264, 53013, 59478, 70684, 79304, 106026, 118956, 141368, 158608, 212052, 237912, 282736, 406433, 424104, 475824, 812866, 848208, 1219299, 1625732, 2438598, 3251464, 4877196, 6502928, 9754392, 19508784]

約数ペア:

[(1, 19508784), (2, 9754392), (3, 6502928), (4, 4877196), (6, 3251464), (8, 2438598), (12, 1625732), (16, 1219299), (23, 848208), (24, 812866), (41, 475824), (46, 424104), (48, 406433), (69, 282736), (82, 237912), (92, 212052), (123, 158608), (138, 141368), (164, 118956), (184, 106026), (246, 79304), (276, 70684), (328, 59478), (368, 53013), (431, 45264), (492, 39652), (552, 35342), (656, 29739), (862, 22632), (943, 20688), (984, 19826), (1104, 17671), (1293, 15088), (1724, 11316), (1886, 10344), (1968, 9913), (2586, 7544), (2829, 6896), (3448, 5658), (3772, 5172)]