18447208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 37686600

約数和(自身を除く): 19239392

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 1993, 2314, 3986, 4628, 7972, 9256, 15944, 25909, 51818, 103636, 177377, 207272, 354754, 709508, 1419016, 2305901, 4611802, 9223604, 18447208]

約数ペア:

[(1, 18447208), (2, 9223604), (4, 4611802), (8, 2305901), (13, 1419016), (26, 709508), (52, 354754), (89, 207272), (104, 177377), (178, 103636), (356, 51818), (712, 25909), (1157, 15944), (1993, 9256), (2314, 7972), (3986, 4628)]