19195071

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 31004160

約数和(自身を除く): 11809089

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 733, 903, 1247, 2199, 3741, 5131, 8729, 15393, 21257, 26187, 31519, 63771, 94557, 148799, 220633, 446397, 661899, 914051, 2742153, 6398357, 19195071]

約数ペア:

[(1, 19195071), (3, 6398357), (7, 2742153), (21, 914051), (29, 661899), (43, 446397), (87, 220633), (129, 148799), (203, 94557), (301, 63771), (609, 31519), (733, 26187), (903, 21257), (1247, 15393), (2199, 8729), (3741, 5131)]