19488928

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21001}}^1$

素因数の和:21040

約数の個数: 24

約数和(自身を含む): 39693780

約数和(自身を除く): 20204852

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21001, 42002, 84004, 168008, 336016, 609029, 672032, 1218058, 2436116, 4872232, 9744464, 19488928]

約数ペア:

[(1, 19488928), (2, 9744464), (4, 4872232), (8, 2436116), (16, 1218058), (29, 672032), (32, 609029), (58, 336016), (116, 168008), (232, 84004), (464, 42002), (928, 21001)]