19094972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 37015776

約数和(自身を除く): 17920804

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 601, 611, 676, 1202, 1222, 2404, 2444, 7813, 7943, 15626, 15886, 28247, 31252, 31772, 56494, 101569, 112988, 203138, 367211, 406276, 734422, 1468844, 4773743, 9547486, 19094972]

約数ペア:

[(1, 19094972), (2, 9547486), (4, 4773743), (13, 1468844), (26, 734422), (47, 406276), (52, 367211), (94, 203138), (169, 112988), (188, 101569), (338, 56494), (601, 31772), (611, 31252), (676, 28247), (1202, 15886), (1222, 15626), (2404, 7943), (2444, 7813)]