18643854

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 19879026

約数列:

[1, 2, 3, 6, 43, 86, 127, 129, 254, 258, 381, 569, 762, 1138, 1707, 3414, 5461, 10922, 16383, 24467, 32766, 48934, 72263, 73401, 144526, 146802, 216789, 433578, 3107309, 6214618, 9321927, 18643854]

約数ペア:

[(1, 18643854), (2, 9321927), (3, 6214618), (6, 3107309), (43, 433578), (86, 216789), (127, 146802), (129, 144526), (254, 73401), (258, 72263), (381, 48934), (569, 32766), (762, 24467), (1138, 16383), (1707, 10922), (3414, 5461)]