19921472

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3209}}^1$

素因数の和:3318

約数の個数: 28

約数和(自身を含む): 39951660

約数和(自身を除く): 20030188

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3209, 6208, 6418, 12836, 25672, 51344, 102688, 205376, 311273, 622546, 1245092, 2490184, 4980368, 9960736, 19921472]

約数ペア:

[(1, 19921472), (2, 9960736), (4, 4980368), (8, 2490184), (16, 1245092), (32, 622546), (64, 311273), (97, 205376), (194, 102688), (388, 51344), (776, 25672), (1552, 12836), (3104, 6418), (3209, 6208)]