18669568

素因数分解:

$2^{13}\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 56

約数和(自身を含む): 38926008

約数和(自身を除く): 20256440

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 128, 172, 212, 256, 344, 424, 512, 688, 848, 1024, 1376, 1696, 2048, 2279, 2752, 3392, 4096, 4558, 5504, 6784, 8192, 9116, 11008, 13568, 18232, 22016, 27136, 36464, 44032, 54272, 72928, 88064, 108544, 145856, 176128, 217088, 291712, 352256, 434176, 583424, 1166848, 2333696, 4667392, 9334784, 18669568]

約数ペア:

[(1, 18669568), (2, 9334784), (4, 4667392), (8, 2333696), (16, 1166848), (32, 583424), (43, 434176), (53, 352256), (64, 291712), (86, 217088), (106, 176128), (128, 145856), (172, 108544), (212, 88064), (256, 72928), (344, 54272), (424, 44032), (512, 36464), (688, 27136), (848, 22016), (1024, 18232), (1376, 13568), (1696, 11008), (2048, 9116), (2279, 8192), (2752, 6784), (3392, 5504), (4096, 4558)]