19942454

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 35371776

約数和(自身を除く): 15429322

約数列:

[1, 2, 7, 14, 43, 86, 157, 211, 301, 314, 422, 602, 1099, 1477, 2198, 2954, 6751, 9073, 13502, 18146, 33127, 47257, 63511, 66254, 94514, 127022, 231889, 463778, 1424461, 2848922, 9971227, 19942454]

約数ペア:

[(1, 19942454), (2, 9971227), (7, 2848922), (14, 1424461), (43, 463778), (86, 231889), (157, 127022), (211, 94514), (301, 66254), (314, 63511), (422, 47257), (602, 33127), (1099, 18146), (1477, 13502), (2198, 9073), (2954, 6751)]