19655916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1109}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 52711680

約数和(自身を除く): 33055764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1109, 1266, 1477, 2218, 2532, 2954, 3327, 4431, 4436, 5908, 6654, 7763, 8862, 13308, 15526, 17724, 23289, 31052, 46578, 93156, 233999, 467998, 701997, 935996, 1403994, 1637993, 2807988, 3275986, 4913979, 6551972, 9827958, 19655916]

約数ペア:

[(1, 19655916), (2, 9827958), (3, 6551972), (4, 4913979), (6, 3275986), (7, 2807988), (12, 1637993), (14, 1403994), (21, 935996), (28, 701997), (42, 467998), (84, 233999), (211, 93156), (422, 46578), (633, 31052), (844, 23289), (1109, 17724), (1266, 15526), (1477, 13308), (2218, 8862), (2532, 7763), (2954, 6654), (3327, 5908), (4431, 4436)]