19713452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12109}}^1$

素因数の和:12161

約数の個数: 24

約数和(自身を含む): 38655120

約数和(自身を除く): 18941668

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12109, 24218, 48436, 133199, 266398, 448033, 532796, 896066, 1792132, 4928363, 9856726, 19713452]

約数ペア:

[(1, 19713452), (2, 9856726), (4, 4928363), (11, 1792132), (22, 896066), (37, 532796), (44, 448033), (74, 266398), (148, 133199), (407, 48436), (814, 24218), (1628, 12109)]