19317272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 20145928

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2087, 2314, 4174, 4628, 8348, 9256, 16696, 27131, 54262, 108524, 185743, 217048, 371486, 742972, 1485944, 2414659, 4829318, 9658636, 19317272]

約数ペア:

[(1, 19317272), (2, 9658636), (4, 4829318), (8, 2414659), (13, 1485944), (26, 742972), (52, 371486), (89, 217048), (104, 185743), (178, 108524), (356, 54262), (712, 27131), (1157, 16696), (2087, 9256), (2314, 8348), (4174, 4628)]