18646432010

素因数分解:

$2^1\times 5^1\times {\mathrm{40037}}^1\times {\mathrm{46573}}^1$

素因数の和:86617

約数の個数: 16

約数和(自身を含む): 33565136616

約数和(自身を除く): 14918704606

約数列:

[1, 2, 5, 10, 40037, 46573, 80074, 93146, 200185, 232865, 400370, 465730, 1864643201, 3729286402, 9323216005, 18646432010]

約数ペア:

[(1, 18646432010), (2, 9323216005), (5, 3729286402), (10, 1864643201), (40037, 465730), (46573, 400370), (80074, 232865), (93146, 200185)]