15019888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{72211}}^1$

素因数の和:72232

約数の個数: 20

約数和(自身を含む): 31340008

約数和(自身を除く): 16320120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 72211, 144422, 288844, 577688, 938743, 1155376, 1877486, 3754972, 7509944, 15019888]

約数ペア:

[(1, 15019888), (2, 7509944), (4, 3754972), (8, 1877486), (13, 1155376), (16, 938743), (26, 577688), (52, 288844), (104, 144422), (208, 72211)]