18739388

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{587}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 34376832

約数和(自身を除く): 15637444

約数列:

[1, 2, 4, 23, 46, 92, 347, 587, 694, 1174, 1388, 2348, 7981, 13501, 15962, 27002, 31924, 54004, 203689, 407378, 814756, 4684847, 9369694, 18739388]

約数ペア:

[(1, 18739388), (2, 9369694), (4, 4684847), (23, 814756), (46, 407378), (92, 203689), (347, 54004), (587, 31924), (694, 27002), (1174, 15962), (1388, 13501), (2348, 7981)]