2018974347

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 3218062848

約数和(自身を除く): 1199088501

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 571, 611, 643, 1713, 1833, 1929, 5139, 5499, 5787, 7423, 8359, 22269, 25077, 26837, 30221, 66807, 75231, 80511, 90663, 241533, 271989, 348881, 367153, 392873, 1046643, 1101459, 1178619, 3139929, 3304377, 3535857, 4772989, 14318967, 17256191, 42956901, 51768573, 155305719, 224330483, 672991449, 2018974347]

約数ペア:

[(1, 2018974347), (3, 672991449), (9, 224330483), (13, 155305719), (39, 51768573), (47, 42956901), (117, 17256191), (141, 14318967), (423, 4772989), (571, 3535857), (611, 3304377), (643, 3139929), (1713, 1178619), (1833, 1101459), (1929, 1046643), (5139, 392873), (5499, 367153), (5787, 348881), (7423, 271989), (8359, 241533), (22269, 90663), (25077, 80511), (26837, 75231), (30221, 66807)]