18039944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 36855000

約数和(自身を除く): 18815056

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 1949, 2314, 3898, 4628, 7796, 9256, 15592, 25337, 50674, 101348, 173461, 202696, 346922, 693844, 1387688, 2254993, 4509986, 9019972, 18039944]

約数ペア:

[(1, 18039944), (2, 9019972), (4, 4509986), (8, 2254993), (13, 1387688), (26, 693844), (52, 346922), (89, 202696), (104, 173461), (178, 101348), (356, 50674), (712, 25337), (1157, 15592), (1949, 9256), (2314, 7796), (3898, 4628)]