18768848

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1483}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 41955648

約数和(自身を除く): 23186800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1483, 1582, 1808, 2966, 3164, 5932, 6328, 10381, 11864, 12656, 20762, 23728, 41524, 83048, 166096, 167579, 335158, 670316, 1173053, 1340632, 2346106, 2681264, 4692212, 9384424, 18768848]

約数ペア:

[(1, 18768848), (2, 9384424), (4, 4692212), (7, 2681264), (8, 2346106), (14, 1340632), (16, 1173053), (28, 670316), (56, 335158), (112, 167579), (113, 166096), (226, 83048), (452, 41524), (791, 23728), (904, 20762), (1483, 12656), (1582, 11864), (1808, 10381), (2966, 6328), (3164, 5932)]