19357072

素因数分解:

$2^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 23711600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 401, 431, 802, 862, 1604, 1724, 2807, 3017, 3208, 3448, 5614, 6034, 6416, 6896, 11228, 12068, 22456, 24136, 44912, 48272, 172831, 345662, 691324, 1209817, 1382648, 2419634, 2765296, 4839268, 9678536, 19357072]

約数ペア:

[(1, 19357072), (2, 9678536), (4, 4839268), (7, 2765296), (8, 2419634), (14, 1382648), (16, 1209817), (28, 691324), (56, 345662), (112, 172831), (401, 48272), (431, 44912), (802, 24136), (862, 22456), (1604, 12068), (1724, 11228), (2807, 6896), (3017, 6416), (3208, 6034), (3448, 5614)]