18996224

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1460

約数の個数: 44

約数和(自身を含む): 40923624

約数和(自身を除く): 21927400

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1427, 1664, 2854, 3328, 5708, 6656, 11416, 13312, 18551, 22832, 37102, 45664, 74204, 91328, 148408, 182656, 296816, 365312, 593632, 730624, 1187264, 1461248, 2374528, 4749056, 9498112, 18996224]

約数ペア:

[(1, 18996224), (2, 9498112), (4, 4749056), (8, 2374528), (13, 1461248), (16, 1187264), (26, 730624), (32, 593632), (52, 365312), (64, 296816), (104, 182656), (128, 148408), (208, 91328), (256, 74204), (416, 45664), (512, 37102), (832, 22832), (1024, 18551), (1427, 13312), (1664, 11416), (2854, 6656), (3328, 5708)]