18995032

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 21854888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 787, 862, 1574, 1724, 3017, 3148, 3448, 5509, 6034, 6296, 11018, 12068, 22036, 24136, 44072, 339197, 678394, 1356788, 2374379, 2713576, 4748758, 9497516, 18995032]

約数ペア:

[(1, 18995032), (2, 9497516), (4, 4748758), (7, 2713576), (8, 2374379), (14, 1356788), (28, 678394), (56, 339197), (431, 44072), (787, 24136), (862, 22036), (1574, 12068), (1724, 11018), (3017, 6296), (3148, 6034), (3448, 5509)]