19739540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14731}}^1$

素因数の和:14807

約数の個数: 24

約数和(自身を含む): 42074592

約数和(自身を除く): 22335052

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14731, 29462, 58924, 73655, 147310, 294620, 986977, 1973954, 3947908, 4934885, 9869770, 19739540]

約数ペア:

[(1, 19739540), (2, 9869770), (4, 4934885), (5, 3947908), (10, 1973954), (20, 986977), (67, 294620), (134, 147310), (268, 73655), (335, 58924), (670, 29462), (1340, 14731)]