19454840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3221}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 44076960

約数和(自身を除く): 24622120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3221, 6040, 6442, 12884, 16105, 25768, 32210, 64420, 128840, 486371, 972742, 1945484, 2431855, 3890968, 4863710, 9727420, 19454840]

約数ペア:

[(1, 19454840), (2, 9727420), (4, 4863710), (5, 3890968), (8, 2431855), (10, 1945484), (20, 972742), (40, 486371), (151, 128840), (302, 64420), (604, 32210), (755, 25768), (1208, 16105), (1510, 12884), (3020, 6442), (3221, 6040)]