18729770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 16203478

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 227, 370, 446, 454, 1115, 1135, 2230, 2270, 8251, 8399, 16502, 16798, 41255, 41995, 50621, 82510, 83990, 101242, 253105, 506210, 1872977, 3745954, 9364885, 18729770]

約数ペア:

[(1, 18729770), (2, 9364885), (5, 3745954), (10, 1872977), (37, 506210), (74, 253105), (185, 101242), (223, 83990), (227, 82510), (370, 50621), (446, 41995), (454, 41255), (1115, 16798), (1135, 16502), (2230, 8399), (2270, 8251)]