2181938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 24

約数和(自身を含む): 3721680

約数和(自身を除く): 1539742

約数列:

[1, 2, 11, 22, 41, 59, 82, 118, 451, 649, 902, 1298, 1681, 2419, 3362, 4838, 18491, 26609, 36982, 53218, 99179, 198358, 1090969, 2181938]

約数ペア:

[(1, 2181938), (2, 1090969), (11, 198358), (22, 99179), (41, 53218), (59, 36982), (82, 26609), (118, 18491), (451, 4838), (649, 3362), (902, 2419), (1298, 1681)]