19873958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 33541536

約数和(自身を除く): 13667578

約数列:

[1, 2, 13, 26, 37, 73, 74, 146, 283, 481, 566, 949, 962, 1898, 2701, 3679, 5402, 7358, 10471, 20659, 20942, 35113, 41318, 70226, 136123, 268567, 272246, 537134, 764383, 1528766, 9936979, 19873958]

約数ペア:

[(1, 19873958), (2, 9936979), (13, 1528766), (26, 764383), (37, 537134), (73, 272246), (74, 268567), (146, 136123), (283, 70226), (481, 41318), (566, 35113), (949, 20942), (962, 20659), (1898, 10471), (2701, 7358), (3679, 5402)]