18286653

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 31781376

約数和(自身を除く): 13494723

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 129, 147, 231, 263, 301, 473, 539, 789, 903, 1419, 1617, 1841, 2107, 2893, 3311, 5523, 6321, 8679, 9933, 11309, 12887, 20251, 23177, 33927, 38661, 60753, 69531, 79163, 124399, 141757, 237489, 373197, 425271, 554141, 870793, 1662423, 2612379, 6095551, 18286653]

約数ペア:

[(1, 18286653), (3, 6095551), (7, 2612379), (11, 1662423), (21, 870793), (33, 554141), (43, 425271), (49, 373197), (77, 237489), (129, 141757), (147, 124399), (231, 79163), (263, 69531), (301, 60753), (473, 38661), (539, 33927), (789, 23177), (903, 20251), (1419, 12887), (1617, 11309), (1841, 9933), (2107, 8679), (2893, 6321), (3311, 5523)]