17942745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 30487680

約数和(自身を除く): 12544935

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 401, 471, 785, 1203, 2005, 2355, 2983, 6015, 7619, 8949, 14915, 22857, 38095, 44745, 62957, 114285, 188871, 314785, 944355, 1196183, 3588549, 5980915, 17942745]

約数ペア:

[(1, 17942745), (3, 5980915), (5, 3588549), (15, 1196183), (19, 944355), (57, 314785), (95, 188871), (157, 114285), (285, 62957), (401, 44745), (471, 38095), (785, 22857), (1203, 14915), (2005, 8949), (2355, 7619), (2983, 6015)]