18448520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1483}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 41670720

約数和(自身を除く): 23222200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1483, 1555, 2488, 2966, 3110, 5932, 6220, 7415, 11864, 12440, 14830, 29660, 59320, 461213, 922426, 1844852, 2306065, 3689704, 4612130, 9224260, 18448520]

約数ペア:

[(1, 18448520), (2, 9224260), (4, 4612130), (5, 3689704), (8, 2306065), (10, 1844852), (20, 922426), (40, 461213), (311, 59320), (622, 29660), (1244, 14830), (1483, 12440), (1555, 11864), (2488, 7415), (2966, 6220), (3110, 5932)]