19886582272

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{947341}}^1$

素因数の和:947400

約数の個数: 40

約数和(自身を含む): 40703496372

約数和(自身を除く): 20816914100

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 1312, 2624, 5248, 10496, 20992, 947341, 1894682, 3789364, 7578728, 15157456, 30314912, 38840981, 60629824, 77681962, 121259648, 155363924, 242519296, 310727848, 485038592, 621455696, 1242911392, 2485822784, 4971645568, 9943291136, 19886582272]

約数ペア:

[(1, 19886582272), (2, 9943291136), (4, 4971645568), (8, 2485822784), (16, 1242911392), (32, 621455696), (41, 485038592), (64, 310727848), (82, 242519296), (128, 155363924), (164, 121259648), (256, 77681962), (328, 60629824), (512, 38840981), (656, 30314912), (1312, 15157456), (2624, 7578728), (5248, 3789364), (10496, 1894682), (20992, 947341)]