20180384

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3957

約数の個数: 48

約数和(自身を含む): 47392128

約数和(自身を除く): 27211744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3917, 5152, 7834, 15668, 27419, 31336, 54838, 62672, 90091, 109676, 125344, 180182, 219352, 360364, 438704, 630637, 720728, 877408, 1261274, 1441456, 2522548, 2882912, 5045096, 10090192, 20180384]

約数ペア:

[(1, 20180384), (2, 10090192), (4, 5045096), (7, 2882912), (8, 2522548), (14, 1441456), (16, 1261274), (23, 877408), (28, 720728), (32, 630637), (46, 438704), (56, 360364), (92, 219352), (112, 180182), (161, 125344), (184, 109676), (224, 90091), (322, 62672), (368, 54838), (644, 31336), (736, 27419), (1288, 15668), (2576, 7834), (3917, 5152)]