18209560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19793}}^1$

素因数の和:19827

約数の個数: 32

約数和(自身を含む): 42755040

約数和(自身を除く): 24545480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19793, 39586, 79172, 98965, 158344, 197930, 395860, 455239, 791720, 910478, 1820956, 2276195, 3641912, 4552390, 9104780, 18209560]

約数ペア:

[(1, 18209560), (2, 9104780), (4, 4552390), (5, 3641912), (8, 2276195), (10, 1820956), (20, 910478), (23, 791720), (40, 455239), (46, 395860), (92, 197930), (115, 158344), (184, 98965), (230, 79172), (460, 39586), (920, 19793)]