19945472

素因数分解:

$2^{11}\times {\mathrm{9739}}^1$

素因数の和:9761

約数の個数: 24

約数和(自身を含む): 39885300

約数和(自身を除く): 19939828

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9739, 19478, 38956, 77912, 155824, 311648, 623296, 1246592, 2493184, 4986368, 9972736, 19945472]

約数ペア:

[(1, 19945472), (2, 9972736), (4, 4986368), (8, 2493184), (16, 1246592), (32, 623296), (64, 311648), (128, 155824), (256, 77912), (512, 38956), (1024, 19478), (2048, 9739)]